Managers for a company that produces a weight loss product claim that the median weight lost over six weeks for people who use this product will be at least 20 pounds.The following data were collected from a sample of nine people who used the product.
In order to test the manager's claim,they will need to assume that the population is normally distributed.

Question

Managers for a company that produces a weight loss product claim that the median weight lost over six weeks for people who use this product will be at least 20 pounds.The following data were collected from a sample of nine people who used the product.
  In order to test the manager's claim,they will need to assume that the population is normally distributed.

Quizplus · Accepted Answer

The question does not provide any information about the population's distribution. Therefore, assuming it is normally distributed would be inappropriate.

Managers for a Company That Produces a Weight Loss Product