題組內容

1. The distribution of diastolic blood pressures for the population of female diabeticsbetween the ages of 30 and 34 has an unknown mean and standard deviation =9.1mm Hg. It may be useful to physicians to know whether the mean of thispopulation is equal to the mean diastolic blood pressure of the general populationof females in this age group, 74.4 mm Hg.

(a) What is the null and alternative hypothesis of the appropriate test? (5 %)