Question: Perform the following steps.

a. State the hypotheses and identify the claim.

b. Find the critical value.

c. Compute the test value.

d. Make the decision.

e. Summarize the results

The number of grams of fat per serving for three different kinds of pizza from several manufacturers is listed below. At the 0.01 level of significance, is there sufficient evidence that a difference exists in mean fat content?

Cheese Pepperoni Supreme/Deluxe

18 20 16
11 17 27
19 15 17
20 18 17
16 23 12
21 23 27
16 21 20