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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 03 Oct 2017 My Price 6.00

promotional campaign

Use the data in Exercise 6.12 to determine the sample size required to estimate ty, with a bound on the error of estimation equal to $3800.

Exercise 6.12

An advertising firm is concerned about the effect of a new regional promotional campaign on the total dollar sales for a particular product. A simple random sample of n=20 stores is drawn from the N = 452 regional stores in which the product is sold. Quarterly sales data are obtained for the current three-month period and the three-month period prior to the new campaign. Use these data (see the accompanying table) to estimate ty, the total sales for the current period, and place a bound on the error of estimation. Assume tx=216,256 . Does it look like these stores may be in two different size groups? (Check the scatter plot.)

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Maurice Tutor
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Status NEW Posted 03 Oct 2017 11:10 PM My Price 6.00

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