Maurice Tutor

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Category > Management Posted 03 Feb 2018 My Price 6.00

households in Chicago

10-62. A marketing research firm is interested in determining whether there is a difference between the proportion of households in Chicago and the proportion of households in Milwaukee who purchase groceries online. The research firm decided to randomly sample households earning over $50,000 a year in the two cities and ask them if they purchased any groceries online last year. The random sample involved 150

 

Chicago households and 135 Milwaukee households. The results of the sample can be found in the file

 

On-line Groceries.

 

a.     Construct a 95% confidence interval estimate for the difference between the two population proportions.

b.    At the 0.10 level of significance, can the marketing research firm conclude that a greater proportion of households in Chicago earning over $50,000 annually buys more groceries online than do similar households in Milwaukee? Support your answer with the appropriate hypothesis test

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Maurice Tutor
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Status NEW Posted 03 Feb 2018 10:02 PM My Price 6.00

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