The weight losses for participants in a large exercise and diet study vary according to a Normal distribution with mean 14.5 pounds and standard deviation 3 pounds.
The median amount of weight lost for the participants in this study is:
A) 11.5 pounds.
B) 14.5 pounds.
C) 17.5 pounds.
D) between 11.5 and 17.5 pounds, but can't be more specific.
E) greater than 14.5 pounds, but can't be more specific.

Question

Quizplus · Accepted Answer

Since the weight losses follow a Normal distribution with mean 14.5 pounds, the median weight loss will also be 14.5 pounds. In a Normal distribution, the mean and the median are equal.

The Weight Losses for Participants in a Large Exercise and Diet