Which of the Following Is an Example of an Independent

Multiple Choice

Which of the following is an example of an independent sample?

A) The average number of energy drinks consumed per day by a group of male students is compared to the average number of energy drinks consumed per day by the general population.
B) Male students are compared to female students on the average number of hours they study each weekday.
C) The average amount spent on fashion magazines per month by a group of teenagers is compared to the average amount spent on sports magazines per month by the same group of teenagers.
D) The average amount spent on purchasing cosmetics by women in their early 30s to the average amount they spend on purchasing fashion accessories.
E) The time spent by a group of female students in the library is compared to the time spent by them in the cafeteria.