Johnson is hired by a company to see if a new product, Topocal, will cause hair to grow on the heads of bald men. He recruits one thousand bald men and randomly divides them into two groups: Five hundred men (group A) rub Topocal on their scalps each day; the other five hundred (group B) rub a standard skin lotion on their scalps each day. After two months, Johnson checks to see what the results have been. He finds that there has been hair growth in 7 percent of group A and in 2 percent of group B.What is the sample?
A)bald men in general
B)the bald men who participated in the study
C)the men in group A
D)the men in group B

Question

Quizplus · Accepted Answer

The sample refers to the specific group of individuals from the population who are actually participating in the study. In this case, the sample is the bald men who participated in the study, which includes both groups A and B.

Johnson Is Hired by a Company to See If a New