Question

Refer to the StatCrunch output from National Health and Nutrition Examination Survey (NHANES) data, which shows the association between marital status and cholesterol. Assume the population distributions are close enough to Normal to justify using ANOVA.
a. Write the null and alternative hypotheses for the association between marital status and cholesterol.
b. Identify the F-statistic from the StatCrunch output.
c. Which marital status had the largest sample mean and which had the smallest sample mean?
d. Assuming that you did find an association between marital status and cholesterol levels, would this association mean that marital status caused different cholesterol levels? Can you think of a confounding factor?


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  • CreatedJuly 16, 2015
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