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Category > Statistics Posted 03 May 2017 My Price 10.00

A corporation is interested in estimating the total earnings

Refer to Exercises 6.4 and 6.5. By using a regression estimator, estimate the mean earnings my and place a bound on the error of estimation. Compare your answer with that in Exercise 6.5. Are there any advantages to using the regression estimator here?

Exercises 6.4

A corporation is interested in estimating the total earnings from sales of color television sets at the end of a three-month period. The total earnings figures are available for all districts within the corporation for the corresponding three-month period of the previous year. A simple random sample of 13 district offices is selected from the 123 offices within the corporation. Using a ratio estimator, estimate ty and place a bound on the error of estimation. Use the data in the accompanying table and take tx = 128,200

Exercise 6.5

Use the data in Exercise 6.4 to estimate the mean earnings for offices within the corporation. Place a bound on the error of estimation.

 

 

Answers

Alpha Geek
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Status NEW Posted 03 May 2017 04:05 PM My Price 10.00

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