Prof Rea’s Exam Q2 A study found that the mean height of adu…
Prof Rea’s Exam Q2 A study found that the mean height of adult American women is 64.5 inches with a standard deviation of 2.5 inches and that the mean height of adult American men is 70 inches with a standard deviation of 3 inches. Suppose we are interested in finding the differences in means from independent random samples of adult American women and men. Research has shown that the distributions of adult height is normal. We randomly survey 25 adult American women and 22 adult American men. a. Let