(Answered) Question state the null and alternative hypotheses for each

Statistics

Question: State the null and alternative hypotheses for each of the following potential research questions. In each situation, also indicate whether the hypothesis test will be one-sided or two-sided.

a. Do female college students study more, on average, than male college students do?

b. Compared to men who are not bald, are bald men more likely to have heart disease?

c. Is there a correlation between height and head circumference?

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