Question: The owner of a mail order catalog would like to compare

The owner of a mail-order catalog would like to compare her sales with the geographic distribution of the population. According to the U.S. Bureau of the Census, 21% of the population lives in the Northeast, 24% in the Midwest, 35% in the South, and 20% in the West. Listed below is a breakdown of a sample of 400 orders randomly selected from those shipped last month? At the .01 significance level, does the distribution of the orders reflect the population?
Region Frequency
Northeast ......... 68
Midwest ........ 104
South ......... 155
West ......... 73
Total ......... 400


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  • CreatedDecember 10, 2014
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