Question

a. What numerical statistics would you use to describe the “ages” sample data in Exercise 7.1? Calculate those statistics. According to the 2000 census (2010 census is not complete), 275 million Americans have a mean age of 36.5 years and a standard deviation of 22.5 years.
b. How well do the statistics calculated in part a compare to the parameters from the 2000 census? Be specific.
c. If another sample were to be collected, would you expect the same results? Explain.


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  • CreatedAugust 28, 2015
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