Researchers Want to See If Men Have a Higher Blood

Multiple Choice

Researchers want to see if men have a higher blood pressure than women do. A study is planned in which the blood pressures of 50 men and 50 women will be measured. What's the most appropriate alternative hypothesis about the means of the men and women?

A) The sample means are the same.
B) The sample mean will be higher for men.
C) The population means are the same.
D) The population mean is higher for men than for women.