Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Refer to the accompanying
data set. Use a 0.05 significance level to test the claim that women and men have the same mean diastolic blood pressure.
Click the icon to view the data for diastolic blood pressure for men and women.
Let H, be the mean diastolic blood pressure for women and let Hy be the mean diastolic blood pressure for men. What are the null and alternative hypotheses?
A Hoti H2
H:H *12
Ос. н. р. на
H:HH
OB. Hy H, H2
H:11 =12
OD. HoiH H:H, = 12
Calculate the test statistic.
t=(Round to two decimal places as needed.)