Question

For each of the examples below, decide whether to use a parametric or a nonparametric test and explain your choice.

1. The Centers for Disease Control and Prevention predicted that only 35% of eligible adults would get flu shots this season. You survey 80 adults and find that 45 have gotten flu shots. Evaluate the CDC's prediction.

2. Dickson reports that the average person can recall 8.5 facts from a one-page essay. You sample 16 depressive patients and find that they can recall 5.5 facts from a one-page essay, with a standard deviation of 2 facts. How do your depressive patients compare to the healthy population?

Answer 1