# Question

Test the hypothesis that people with different marital statuses differ in mean systolic blood pressure, using a significance level of 0.05. Refer to the StatCrunch output from NHANES data.
a. Write the null and alternative hypotheses for the association between marital status and blood pressure.
b. Identify the F-value from the output.
c. Which group had the largest sample mean and which had the smallest?
d. Assuming that you did find an association between marital status and systolic blood pressure, would this association show that marital status caused different systolic blood pressures? Can you think of a confounding factor?

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