The owner of a mail-order catalog would like to compare her sales with the geographic distribution of

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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


Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Statistical Techniques In Business And Economics

ISBN: 356

16th Edition

Authors: Douglas Lind, William Marchal

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