Identify what is wrong.

Twelve nutritionists are each paid $100,000 to try a new celebrity diet on ten of their clients and then report summarizing the results. Based on the sample results, it is found that the diet is effective for 118 of the 120 people.

Part 1

Choose the correct answer below.

A.

The sample of clients is self-selected.

B.

The sample of nutritionists is self-selected.

C.

The results have statistical significance but do not have practical significance.

D.

The nutritionists have a special interest to obtain results that are favorable to their backers