Workplace Stress

II.       Workplace Stress Assessment and Reflection Paper(25%)

 

 

• Begin by taking this online workplace stress test–http://www.stressstop.com/stress-tips/

stress-tests/stress-at-work-stress-test.php

After reviewing the results you will write a two-to three- page reflection paper discussing the

Results and your stress triggers. In addition, describe an incident of stress/fear/anxietyinthe workplace and how you dealt withit.Your reflection should be a thoughtful analysis of your actions and evaluation of how you proceeded,as well as suggestions for techniques to deal with similar situations in the future.(10percentofcoursegrade)

 

Your paper will be graded on the following:

 

• organization,grammar,spelling,punctuation,and overall writing competency,including page-number requirements and being submitted on time(one-third of grade)

 

• evidence of reflective analysis and thoughtful consideration of the incident described , as well as evidence of readings in corporate into the paper(two-thirds of grade)

 

 

Workplace Stress

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work out the mean

1ml 5ml

1. 1.0129 5.0309
2. 1.0037 5.0111
3. 1.0251 5.022
4. 1.0139 5.027
5. 0.9875 5.027
6. 1.0089 5.029
7. 1.0016 5.0163
8. 0.9976 5.024
9. 1.0061 5.0318
10. 1.0027 5.0145

the questions i need to answer are

1.work out the mean, standard deviation and coefficient of variation for each set of
results

2. comment on the accuracy and precision of your results (important question)

work out the mean

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fin571 Week6 mig

Problem 10.14

Briarcrest Condiments is a spice-making firm. Recently, it developed a new process for producing spices. The process requires new machinery that would cost $2,046,204. have a life of five years, and would produce the cash flows shown in the following table.

 

Problem 11.20

Archer Daniels Midland Company is considering buying a new farm that it plans to operate for 10 years. The farm will require an initial investment of $12.10 million. This investment will consist of $2.90 million for land and $9.20 million for trucks and other equipment. The land, all trucks, and all other equipment is expected to be sold at the end of 10 years at a price of $5.09 million, $2.08 million above book value. The farm is expected to produce revenue of $2.05 million each year, and annual cash flow from operations equals $1.86 million. The marginal tax rate is 35 percent, and the appropriate discount rate is 10 percent. Calculate the NPV of this investment. (Round intermediate calculations and final answer to 2 decimal places, e.g. 15.25.)

 

problem 11.24

Bell Mountain Vineyards is considering updating its current manual accounting system with a high-end electronic system. While the new accounting system would save the company money, the cost of the system continues to decline. The Bell Mountain’s opportunity cost of capital is 11.4 percent, and the costs and values of investments made at different times in the future are as follows:

 

Problem 12.24

Chip’s Home Brew Whiskey management forecasts that if the firm sells each bottle of Snake-Bite for $20, then the demand for the product will be 15,000 bottles per year, whereas sales will be 84 percent as high if the price is raised 17 percent. Chip’s variable cost per bottle is $10, and the total fixed cash cost for the year is $100,000. Depreciation and amortization charges are $20,000, and the firm has a 30 percent marginal tax rate. Management anticipates an increased working capital need of $3,000 for the year. What will be the effect of the price increase on the firm’s FCF for the year? (Round answers to nearest whole dollar, e.g. 5,275.)

 

Problem 13.11

Capital Co. has a capital structure, based on current market values, that consists of 22 percent debt, 1 percent preferred stock, and 77 percent common stock. If the returns required by investors are 9 percent, 11 percent, and 18 percent for the debt, preferred stock, and common stock, respectively, what is Capital’s after-tax WACC? Assume that the firm’s marginal tax rate is 40 percent. (Round intermediate calculations to 4 decimal places, e.g. 1.2514 and final answer to 2 decimal places, e.g. 15.25%.)

 

Week6 mig

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various desktops and laptops you might recommend for your organization

You are the technical director for a company with 1500 employees. The Chief executive officer has asked you to prepare a plan for purchasing and installing new computers (including desktops & laptops). Approximately 800 employees use desktop computers and the other 800 employees use laptop computers. Your budget for each computer is $1,500. Computers should be configured to last at least three years

• Desktop and laptop computers you compare and contrast should be current. In your document, you should include the company and website where you found the information (you should use the manufacturers’ websites to obtain information and pricing). This will be verified by the instructor. Including information about computers that are not currently available will result on a grade of zero on this assignment.

 

 

Background Information: Now that you have done the research on the various desktops and laptops you might recommend for your organization, you can create an Excel spreadsheet that will calculate the costs associated with purchasing each of these computers.
All instructions in this assignment should be completed in order. If they are completed out of order, you might have trouble performing some steps.
Content Requirements:
• The worksheet will have a total of two tables: one table for desktop computers, and one table for laptop computers. There should only be 3 computers for each table.
• In the first column of each table, include a brief description for each of the three desktop computers, and each of the laptop computers. The descriptions should not include the technical specifications.
• Next to the description column, include unit prices for each of the three desktop computers and each of the laptop computers.
• Next to the unit prices, included the quantities you plan to purchase for each type of computer. The quantity for each desktop computer should be 800, and the quantity for each laptop computer should be 800.
• Next to quantity, include a column in your table that will calculate the Subtotal.
• Next to the Subtotal (also called the Total Price), add a column in the table that will calculate the tax.
• Next to the Sales Tax column, add a column that will calculate shipping.
• Next to the Shipping column, add a column that will calculate the grand total for each computer.
• Add a row at the bottom of each table that will calculate the average unit price, average total price, and average grand total.
• Add a row at the bottom of each table that will calculate the maximum value in the Unit Price column, Total Price column, and Grand Total column.
• Add a row at the bottom of each table that will calculate the minimum value in the Unit Price column, Total Price column, and Grand Total column.
• Be sure there are at least three blank rows at the top of the worksheet (these rows should not be part of the table). If there are not three blank rows, insert the necessary number of rows above the table until there are three (these empty rows will be used for the spreadsheet title and subtitle).
Technical Requirements
In addition to meeting the content requirements for this assignment, you also will need to demonstrate your proficiency of Microsoft Excel by applying the following formatting. Please note that you should not perform any calculations manually; if a cell should contain a calculated value, use a function or formula to calculate that value. The functions and formulas should automatically recalculate if the source values are modified.
• Change the worksheet tab so that it displays “Computer Purchases” instead of “Sheet1.” Also, change the tab color to one of your choosing.
• Create a title on your worksheet in cell A1, and a subtitle in cell A2. Change the font, font size, font color, and fill color from the default values, and then Merge & Center the cells across the top of the worksheet.
• In the Subtotal (also called Total Price) column, use an Excel formula that calculates the Quantity multiplied by the Unit Price. You must use an Excel formula with cell references in order to receive credit for this step.
• In the Sales Tax column, use an Excel formula that calculates Subtotal x Sales Tax. You must use an Excel formula in order to receive credit for this step.
• In the Shipping column, use the Excel IF function to calculate the shipping. You must use an Excel formula with cell references in order to receive credit for this step.
o If the Total Price for the computer purchase is less than $800,000, shipping should be calculated as 7% of the total price.
o If the Total Price for the computer purchase is greater than or equal to $800,000, shipping should be calculated as 5% of the total price.
• In the Grand Total column, use an Excel formula to add the Total Price, Sales Tax and Shipping to determine the final costs for each of the 3 desktop and 3 laptop computer options. You must use an Excel formula with cell references in order to receive credit for this step.
• In the Average Row on each table, use an Excel function to calculate the average unit price, total price, and grand total. The average is not to be completed for the quantity, sales tax, or shipping.
• In the Maximum Row on each table, use an Excel function to calculate the maximum unit price, total price, and grand total. The maximum is not to be completed for the quantity, sales tax, or shipping.
• In the Minimum Row on each table, use an Excel function to calculate the minimum unit price, total price, and grand total. The minimum is not to be completed for the quantity, sales tax, or shipping.
• All column widths should be set to properly display all contents in the column (nothing should be cut off, there should not be an unnecessary symbols, and columns shouldn’t be so wide that there is a lot of blank space in each

various desktops and laptops you might recommend for your organization

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Using a graphic organizer of your choice

Using a graphic organizer of your choice, identify and explain six technology- induced methods that can be used in your classroom to enhance your instruction.

1. Three tools must be appropriate for Birth to Age 5/Pre-K.

2. Three tools must be appropriate for grades K to Age 8/Grade 3.

Write an essay of 500-750 words in which you explain how the chosen technological methods impact literacy development in early childhood environments. Provide three to five in-text citations from scholarly sources.

Using a graphic organizer of your choice

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TCO F) Warren Corporation’s

(TCO F) Warren Corporation’s stock sells for $42/share. The company wants to sell some 20-year annual interest, $1000 par value bonds. Each bond would have 75 warrants attached to it, each exercisable into 1 share of stock at an exercise price of $47. The firm’s straight bonds yield 10%. each warrant is expected to have a market value of $2.00 given that the stock sells for $42. What coupon interest amount must the company set on the bonds in order to sell the bonds-with–warrants at par?
a) 7.83%
b) 8.24%
c) 8.65%
d) 9.08%
e) 9.54%

(TCO E) Dakota Trucking Company (DTC) is evaluating a potential lease for a truck with a 4-year life that costs $40,000 and falls into the MACRS 3-year class. If the firm borrows and buys the truck, the loan rate would be 10% and the loan would be amortized over the truck’s 4-year life. The loan payments would be made at the end of each year. The truck will be used for 4 years, at the end of which time it will be sold at an estimated residual value of $10,000. If DTC buys the truck, its after tax cash flows would be the following: Year 1: $6,339; Year 2: -4,764; Year 3: -9,943; Year 4: -5,640 all occurring at the end of their respective years. The lease terms call for a $10,000 lease payment (4 payments total) at the beginning of each year. DTC’s tax rate is 40%. Should the firm lease or buy?
a) $849
b) $896
c) $945
d) $997
e) $1,047
(I think that these are the amounts that represent the difference between the leasing amount and the buying amount but I am not sure.)

 

TCO F) Warren Corporation’s

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stats3

2. The quality control department of Widgets Manufacturing needs your help. They can’t decide which significance level is appropriate for testing the claim that fewer than 50% of widgets from a production run are defective. One group feels that the primary consideration for choosing between alpha=0.01 and alpha=0.05 should be to keep the rejection rate of good widgets as small as possible, while the other group feels they should try to keep the number of defective widgets that make it through to a minimum. Write two paragraphs detailing the arguments might each group make to support their position. Your paragraphs should include the terms alternative hypothesis, Type I error, Type II error, sample size and power. Keeping in mind that this is a serious life threatening disease which significance level would you choose? In a sample of 1500 widgets it is found that 679 are defective. Test the claim at the significance level you chose and state your conclusion in non-technical terms.

   3.
   Format and Hint: This is a proportion problem. For parts 1-5, you need to find the point estimate p-hat and then use the proportion formula. You do not need to show all your work. For this problem, I am only interested in your final confidence intervals and your respond to the discussion question. Once again remember that I will be grading your emails and not your posts.

   Scenario: A hotel has decided that to cut costs, it will outsource its reservation business to another company. The other company claims that it can convert 65% of all incoming calls into reservations for the hotel. The compensation for the outsourcing company is based upon their claimed conversion rate. In an effort to determine if they are getting their money’s worth from the outsourcing company, the hotel decides to take some samples of calls to see what percentage of reservations is made. Find the 95% Confidence Interval for the proportion based upon the following samples.

   1. Twenty calls resulting in eleven reservations (n = 20 and x = 11).
   2. 210 calls with 124 reservations
   3. 400 calls with 240 reservations
   4. x = 781 and n = 1280
   5. x = 2460 and n = 4000

   Discussion Question: At what point do we start to doubt the claims of the outsourcing company? Do you think the outsourcing company is delivering on their promise?

stats3

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Talbot Corporation 3

 

1 On January 15, 2013, Talbot Corporation purchased a parcel of land as a factory site for $425,000. An old building on the property was demolished, and construction began on a new building which was completed on November 31, 2013. Salvaged materials resulting from the demolition were sold for $12,000. Costs incurred during this period included: Demolition of old building, $35,000, Architect’s fees, $15,000, Legal fees for title investigation and purchase contract, $7,000, and Construction costs, $980,000. Talbot should record the cost of the land and new building, respectively, as (Points : 7) $425,000 and $980,000 $455,000 and $995,000 $460,000 and $995,000 $460,000 and $983,000

 

 

2. Corresponds to CLO 1(b) Which of the following costs should be fully expensed in the period in which the expenditure is made? (Points : 7) An outlay made to increase the efficiency of an existing plant asset. An outlay made to maintain an existing asset in operating condition. An outlay made to extend the useful life of an existing asset. None of the above costs should be fully expensed immediately; all should be capitalized.

 

 

Question 3.3. Corresponds to CLO 1(c) On January 2, 2013, Apple Valley Produce began construction of a new processing plant. The plant was expected to be finished and ready for use on September 30, 2014. Expenditures for construction during 2013 were as follows: January 2, 2013, $600,000, July 1, 2013, $800,000, and December 31, 2013, $900,000. To fund this project, on January 2, 2013, Apple Valley borrowed $1,800,000 on a construction loan at 10% interest. This loan was outstanding during the construction period. The company also had $5,000,000 in 9% bonds outstanding in 2013. The interest capitalized for 2013 should be: (Points : 7) $90,000 $180,000 $107,500 $100,000

 

4. On March 1, 2004, Tucker Corporation purchased a new machine for $355,000. At the time of acquisition, the machine was estimated to have a useful life of ten years and an estimated salvage value of $19,000. The company has recorded monthly depreciation using the straight-line method. On July 1, 2013, the machine was sold for $45,000. What gain should be recognized from the sale of the machine? (Points : 7) $21,333 $3,600 $2,800 $19,000

 

5. Corresponds to CLO 2(a) On July 2, 2013, Peak Power Corporation purchased machinery for $80,000. Salvage value was estimated to be $5,000. The machinery will be depreciated over ten years using the double-declining balance method. If depreciation is computed on the basis of the nearest full month, Peak Power should record depreciation expense on this machinery for 2014 of (Points : 7) $14,400 $13,500 $8,000 $7,500

 

 

Question 6.6. Corresponds to CLO 2(b) At the beginning of 2013, Brennan Corporation purchased a delivery truck for $80,000. The truck was estimated to have a useful life of 150,000 miles and a salvage value of $5,000. It was driven 29,000 miles in 2013 and 33,000 miles in 2014. What is the depreciation expense for 2014? (Points : 7) $14,500 $15,467 $16,500 $17,600

 

 

Question 7.7. Corresponds to CLO 2(c)
Volmer Corporation owns machinery with a book value of $400,000. It is estimated that the machinery will generate future cash flows of $375,000. The machinery has a fair value of $325,000. Volmer should recognize a loss on impairment of (Points : 7)
$ -0-
$25,000
$50,000
$75,000
 

8. Corresponds to CLO 2(d) Plymouth Mining Corporation acquired, for $5,500,000, a tract of land containing an extractable natural resource. Geological surveys estimate that the recoverable reserves will be 1,000,000 tons. Plymouth is required by its purchase contract to restore the land at an estimated cost of $750,000. The land is expected to have a value of $1,250,000 after restoration. Plymouth maintains no inventories of extracted materials. What is the amount of depletion per ton? (Points : 7) $4.25 $5.00 $5.50 $6.25

 

 

Question 9.9. Corresponds to CLO 3(a)
Titan Corporation acquired a patent on September 28, 2013. Titan paid cash of $63,000 to the seller. Legal fees of $2,000 were paid related to the acquisition. At what amount should Titan record the patent on its books? (Points : 7)
$65,000
$63,000
$61,000
$2,000

 

Question 10.10. Corresponds to CLO 3(b) Hodgson Company’s December 31, 2014 balance sheet reports assets of $8,500,000 and liabilities of $4,500,000. All of Hodgson’s book values approximate their fair value, except for land, which has a fair value that is $500,000 greater than its book value. On December 31, 3014, Motley Corporation paid $10,500,000 to acquire Hodgson. What amount of goodwill should Motley record as a result of this purchase? (Points : 7) $6,000,000 $4,500,000 $2,000,000 $ -0-

 

 

11. Corresponds to CLO 3(c) Innovative Technologies, Inc. incurred research and development costs of $160,000 and legal fees of $36,000 to acquire a patent. The patent has a legal life of 20 years and a useful life of 10 years. What amount should Innovative Technologies record as Patent Amortization Expense in the first year? (Points : 7) $1,800 $3,600 $8,000 $19,600

 

 

Stewart Company acquired Meyer Manufacturing on January 1, 2013 for $6,800,000 and recorded goodwill of $1,800,000 as a result of that purchase. At December 31, 2013, Meyer Manufacturing Division had a fair value of $4,600,000. The net identifiable assets of the Division, excluding goodwill, had a fair value of $3,200,000 at that time. What amount of loss on impairment of goodwill should Stewart record in 2013? (Points : 7) $ -0- $2,200,000 $1,400,000 $400,000

13. Corresponds to CLO 4(a) Lillian Properties leased a building to Hopping Industries for a ten year term at an annual rental of $250,000. The lease began January 1, 2013, at which time Lillian received $1,000,000 covering the first two years’ rent of $500,000 and a security deposit of $500,000. The deposit will not be returned to Hopping upon expiration of the lease, but will be applied to payment of rent for the last two years of the lease. What portion of the $1,000,000 should be shown as current and long-term liabilities, respectively, in Lillian’s December 31, 2013 balance sheet? (Answers shown with Current Liabilities listed first, Long-term Liabilities listed second. ) (Points : 7) $500,000 $500,000 $250,000 $500,000 $500,000 $250,000 $ -0- $1,000,000

 

 

Question 14.14. Corresponds to CLO 4(b) Which of the following is the proper way to report a gain contingency? (Points : 7) As deferred revenue. As an accrued amount. As an account receivable with additional disclosure explaining the nature of the contingency. As a disclosure only.

 

Question 15.15. Corresponds to CLO 4(c) On January 1, 2014, Huntington Corporation issued eight year bonds with a face value of $6,000,000 and a stated interest rate of 6%, payable semiannually on June 30 and December 31. The bonds were sold to yield 8%. Table values are: 37 What is the issue price of the bonds? $5,301,360 $5,308,920 $5,520,000 $6,742,800

16. Corresponds to CLO 4(d) On December 31, 2013, the 11% bonds payable of Goodly Corporationhad a carrying amount of $2,040,000. The bonds, which had a face value of $2,000,000 were issued at a premium to yield 10%. Goodly uses the effective-interest method of amortization. Interest is paid on June 30 and December 31. On July 1, 2014, several years before their maturity, Goodly retired the bonds at 103. The interest payment on June 30, 2014 was made as scheduled. The loss on retirement, ignoring taxes, is (Points : 7) $40,000 $28,000 $20,000 $ -0-

 

 

Question 17.17. Corresponds to CLO 5(a) The current FASB viewpoint on accounting for leases is best described as: (Points : 7) All leases should be capitalized. Leases should never be capitalized. All long-term leases should be capitalized. Leases similar to installment purchases should be capitalized.

 

18. Corresponds to CLO 5(b) On January 1, 2013, Martin Corporation signed a ten-year noncancelable lease for machinery. The terms of the lease called for Martin to make annual payments of $350,000 at the end of each year for ten years with title to pass to Martin at the end of this period. The machinery has an estimated useful life of 20 years and no salvage value. Martin uses the straight-line method of depreciation for all of its fixed assets. Martin accounted for this lease transaction as a capital lease. The lease payments were determined to have a present value of $1,977,577 at an effective interest rate of 12%. With respect to this capitalized lease, Martin should record for 2013: (Points : 7) Depreciation expense of $197,758 and interest expense of $420,000. Depreciation expense of $197,758 and interest expense of $237,309. Depreciation expense of 98,879 and interest expense of $237,309. Lease expense of $350,000. 19. Corresponds to CLO 5(c) On December 31, 2014, Pacific Rail Corporation leased a train car from Southern Transportation Company for a ten year period expiring December 30, 2024. Equal annual payments of $120,000 are due on December 31 of each year, beginning with December 31, 2014. The lease is properly classified as a capital lease on Pacific Rail’s books. The present value at December 31, 2013 of the ten lease payments over the lease term discounted at 8% is $869,627. Assuming the first payment is made on time, the amount that should be reported by Pacific Rail Corporation as the lease liability on its December 31, 2014 balance sheet is (Points : 7) $749,627 $800,000 $869,627 $1,080,000

 

 

 

20. Corresponds to CLO 5(d) Colfax Corporation enters into an agreement with Reynolds Rentals on January 1, 2014 for the purpose of leasing a machine to be used in its manufacturing operations. The term of the noncancelable lease is 5 years with no renewal option. Payments of $200,000 are due on December 31 of each year. The fair value of the machine on January 1, 2014, is $800,000. The machine has a remaining economic life of 10 years, with no salvage value. The machine reverts to the lessor upon termination of the lease. Colfax Corporation’s incremental borrowing rate is 10% per year. Colfax does not have knowledge of the 8% implicit rate used by Reynolds. The factor for the present value of an ordinary annuity of 1, for 5 periods at 10% is 3. 79079. The factor for the present value of an ordinary annuity of 1, for 5 periods at 8% is 3. 99271. What type of lease is this from Colfax Corporation’s point of view? (Points : 7)

Sales-type lease
Direct-financing lease
Capital lease
Operating lease

Question 21. 21. Corresponds to CLO 6(a) Roberts Corporation has 100,000 shares of $10 par common stock authorized. The following transactions took place during 2013, the first year of the corporation’s existence: Sold 10,000 shares of common stock for $14 per share Issued 20,000 shares of common stock in exchange for legal services valued at $300,000 At the end of Roberts’ first year, total paid-in capital amounted to (Points : 7) $100,000 $140,000 $300,000 $440,000

 

22. Corresponds to CLO 6(b) On June 15, Handel Corporation reacquired 10,000 shares of its $10 par value common stock for $19 per share. Handel uses the cost method to account for treasury stock. The journal entry to record the reacquisition of the stock should debit (Points : 7) Common Stock for $100,000 Common Stock for $100,000 and Paid-in Capital in Excess of Par for $90,000 Treasury Stock for $190,000 Treasury Stock for $100,000

Question 23.23. Corresponds to CLO 6(c) The fair value of Willow Company’s common stock was $57 per share at December 31, 2013 and $63 per share at December 31, 2014. Willow acquired 7,000 shares of its own common stock at $60 per share on March 10, 2014, and sold 5,000 of these shares at $65 per share on September 25, 2014. Willow Company uses the cost method to account for treasury stock. The journal entry to record the sale of the treasury stock should credit (Points : 7) Treasury Stock for $300,000 and Retained Earnings for $25,000 Treasury Stock for $285,000 and Retained Earnings for $40,000 Treasury Stock for $300,000and Paid-in Capital from Treasury Stock for $25,000 Treasury Stock for $325,000

 

Question 24. 24. Corresponds to CLO 6(d) Under GAAP, preferred stock with which of the following features should be reported as a liability on the balance sheet: (Points : 7)

Convertible
Noncumulative
Redeemable
Callable

 

Question 25.25. Corresponds to CLO 7(a) Farnsworth Inc. declared a $450,000 cash dividend. It currently has 10,000 shares of 8%, $100 par value cumulative preferred stock outstanding. It is one year in arrears on its preferred stock. How much cash will Farnsworth distribute to the common stockholders? (Points : 7) $290,000 $370,000 $160,000 $450,000

 

 

26. Corresponds to CLO 7(b) Weston Corporation owned 80,000 shares of Brandt Corporation, purchased in 2008 for $320,000. On December 20, 2013, Weston declared a property dividend of all of its Brandt Corporation shares on the basis of one share of Brandt for every 10 shares of Weston common stock held by its shareholders. The property dividend was distributed on January 10, 2014. On the declaration date, the aggregate market price of the Brandt Corporation shares held by Weston was $610,000. The entry to record the declaration of the dividend would include a debit to Retained Earnings (property dividends declared) of (Points : 7) $320,000 $610,000 $290,000 $ -0-

 

27. Corresponds to CLO 7(c) Harping Corporation declared an $800,000 dividend, $200,000 of which was liquidating. How would this distribution affect Retained Earnings and Additional Paid-in Capital, respectively? (Answer is shown with Retained Earning listed first, Additional Paid-in Capital listed second. ) (Points : 7) No effect $800,000 Decrease $800,000 Decrease No effect $600,000 Decrease $200,000 Decrease Noeffect No effect

 

 

Question 28.28. Corresponds to CLO 7(d) After several profitable years, Pear Corporation’s stock price had increased by 10-fold. Management prefers the stock price to be within range of the majority of potential investors, and on June 30, 2013, split its stock 2-for-1. Prior to the split, Pear’s stockholders’ equity section showed: Common Stock, 2,000 shares at $100 par. After the split, Pear’s stockholders’ equity section showed: (Points : 7) Common stock, 4,000 shares at $50 par Common stock, 2,000 shares at $200 par Common stock, 1,000 shares at $200 par Common stock, 4,000 shares at $100 par

 

 

Talbot Corporation 3

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stats 2

1. (Chapter 7: Estimating a Population Proportion)
A poll sample of 500 people was conducted if they support new initiative.
200 people said yes. Find the margin of error E and confidence interval for population proportion Apply Confidence Level CL=0.90 (90%).
You can find critical value z_a/2 , required for calculation, in small table given in our
textbook on page 329 Edition 12 or page 332 in Edition 11.

2. (Chapter 7: Estimating a Population Mean).
Sample of 100 measurements were taken to analyze concentration of impurities in a product. Calculated sample mean was 65 ppm (parts per million). Assuming that population standard deviation is 20 ppm, estimate margin of error and confidence interval for population mean with confidence level 95%. Round the answer up to the whole numbers.

 

 

3. (Chapter 7) Find the critical value t_a/2  for estimate procedure when population standard deviation is not known. Sample size is n=24, Confidence Level 98%.
Tip: Use column with Area in Two Tails in t-Distribution table.

4. (Chapter 7) Sample of 30 people randomly asked in casino shows that average lost per person is $160 with a sample standard deviation s = $40. Based on this data create a 95% confidence interval for population mean. This is the case where population standard deviation is not known and you have to use Appendix table A-3 for t-value.
Round the answer up to the whole numbers.

 

5. (Chapter 8) Use Appendix Table A-2 to find the critical z value for right-tail test with significance level α = 0.10.

 
6. (Chapter 8) Show on the z number line critical/rejection region for the Two-Tailed Hypothesis testing with significance level α = 0.08 (use highlight or shading like in Conference for week 6).

 

7. (Chapter 8) Use Appendix Table A-2 to find p-value for a left-tail test
with test statistics z = – 1.24.

 

 

8. Chapter 8: The P-value of a hypothesis test is 0.0345.
Which of the following claims is correct?

A) Reject Ho at the 0.05 significance level but not the 0.01 significance level.

B) Reject Ho at the 0.01 significance level but not the 0.05 significance level.

C) Reject Ho at both the 0.01 significance level and the 0.05 significance level.

D) Do not reject Ho at significance level 0.01 and do not reject Ho at the 0.05 significance level.

Chapter 8: Testing Claim about a Proportion.

 For questions 9, 10, 11 use following data:

Evaluate the claim that percent of small businesses closed this year (population proportion) is greater than 26%. Sample of 500 small businesses were taken all over the country and 145 of them were closed this year.   

H₀ – population proportion p = 0.26
H₁ – population proportion p > 0.26

9. Calculate z-value for test statistics

10. Use Table A-2 to find p-value.
11. At significance level 0.05 reject or do not reject H₀. Explain your decision.

Chapter 8: Testing Claim for Population Mean, population standard deviation is known
For questions 12, 13 use following data

Consider the hypothesis test with
Null Hypothesis Ho: μ = 500

Alternative Hypothesis H₁: μ ≠ 500   (this is two-tailed test)

In a random sample of 81 subjects, the sample mean found to be x=492.
Population standard deviation is  σ=36. 

12. Calculate test statistics and find P-value for this test (use Appendix table A-2).
13. With significance level α = 0.02 (remember, this is two-tailed test) make the decision:
accept or reject Ho. Explain your decision  
Chapter 8: Testing Hypothesis for Population Mean, population standard deviation not known.
Instead, sample standard deviation is given.
For questions 14 use the following data.

With sample size n=36, sample mean 710 and sample standard deviation s = 30
Null Hypothesis Ho: μ = 700

Alternative Hypothesis H₁: μ > 700   (this is right-tailed test)

Significance level   α = 0.05

14. Calculate t-value for the test statistics.

In Table A-3 for t-distribution find critical value. Use column with Area in One Tail 0.05.
Identify rejection region as area to the right of critical value from Table A-3.
Is value of test statistics falls in the rejection region?
Will you reject or do not reject the Null Hypothesis?

15. Let’s practice in finding Critical Value and defining Critical/Rejection Region in three possible cases:
Case 1: Left-Tailed test (Rejection Region on the left side)
Case 2: Right-Tailed test (Rejection Region on the right side)
Case 3: Two-Tailed test (Rejection Region on both sides)
Critical value and position of Rejection Region is defined by the given Significance Level.
There is a simple relation between Significance Level (α) and Confidence Level (CL):
α = 1 – CL (in decimal form). 
For example, if Confidence Level 82% then Significance Level α = 1 – 0.82 = 0.18
Here is what you should do:
1. Select Significance Level assigned for you from the table below. 
2. Use Appendix Table A-2 to find critical z value in case-1, case-2 and case-3.
3. Show Critical/Rejection Region on z-scale in case-1, case-2 and case-3: 
…….-3…….-2…….-1…….0…….1…….2…….3…..
Use Highlight tools (in our Text Editor it has name Background Color) to show Critical Region. 
For example, if you want to show region to the left of (-1.28) it should look like:
…….-3…….-2…….-1…….0…….1…….2…….3…..

	Significance Level α
	0.22

 

 

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Stats

1. The data show the time intervals after an eruption (to the next eruption) of a certain geyser. Find the regression equation, letting the first variable be the independent (x) variable.

Height (ft) 115 133 137 140 99 112 108 126
Interval after 75 85 94 85 66 88 68 82

What is the regression equation?
^y= (round 3 dec)

2. The data show systolic and diastolic blood pressure of certain people. Find the regression equation, letting the systolic reading be the independent (x) variable.
Systolic 139 118 145 133 141 138 139 136
Diastolic 101 61 82 74 104 79 74 74
What is the regression equation?
Round 2 decimal places

3. Chest size 50 54 44 54 40 36
Weight LBS 279 339 219 292 201 116

Let chest size the independent variable (x).
What is the regression equation?
Round 2 decimal places

4. List Price (Mil) 1.6 3.7 1.6 1.7 2.3 1.6
Selling price 1.9 3.4 1.8 2 2.8 1.3

What is the regression equation?
Let list price be (x) variable
Round 4 Decimal places
What is the best predicted selling price of a home having a list price of 3 million?

5. Find the best predicted weight of a seal if the overhead width measured from a photograph is 2.4 cm. Let overhead width be the predictor (x) variable.
Overhead width 7.9 7.8 9.1 9.5 9.6 9.4
Weight (kg) 152 178 226 215 241 240
What is the regression equation?
Round 1 decimal place

Stats

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