People's frequency of exercising at a gym correlates positively with how many magazines they read. Which of these conclusions, if any, follows from these data?
a. While people are exercising at a gym, they like to read magazines
b. Many people read magazines that recommend the value of exercise.
c. People who can afford to belong to a gym can also afford to buy magazines.
d. None of these conclusions follow from the data.
d
Psychology