Tamara notices that studying for one hour after class increases her statistics grade by 16 points. The second hour yields a 9-point gain, the third hour yields a 4-point gain, and the fourth hour yields only a 1-point gain. This means that the marginal _____ of studying decreases with study hours.
A)cost
B)benefit
C)opportunity cost
D)time

Question

Quizplus · Accepted Answer

The concept of marginal benefit applies here, as Tamara is measuring the increase in her grade per additional hour studied. She notices that the marginal benefit decreases with each additional hour studied, indicating that each hour of studying has a decreasing impact on her grade. Therefore, the best choice is B, benefit.

Tamara Notices That Studying for One Hour After Class Increases