Question: People over the age of 40 years tend to notice

People over the age of 40 years tend to notice changes in their digestive systems that alter what and how much they can eat. A study was conducted to see whether this observation applies across different ethnic segments of our society. Random samples of Anglo- Saxons, Germans, Latin Americans, Italians, Spaniards, and African Americans were obtained. The data from this survey are summarized here:
a. Does it appear that there may be a bias due to the response rates?
b. Compare the rates (πis) for the Anglo- Saxon and German groups using a 95% confidence interval.

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  • CreatedNovember 21, 2015
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