Astudent states that exercise will affect the number of times a person can squeeze a clothespin in a certain amount of time. an experiment is carried out to test this hypothesis. a group of 10 students sits quietly before squeezing a clothespin as many times as possible during a time period of 1 minute. a second group of 10 students does 25 jumping jacks before squeezing a clothespin as many times as possible during a time period of 1 minute.

what is the dependent variable in the experiment described above?

question 1 options:

a. type of exercise

b. number of times a person can squeeze a clothespin

c. number of students in each group

d. amount of time spent exercising