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Question
A dietician wants to see if there is any difference in the effectiveness of three diets. Eighteen people were randomly chosen for the test. Then each individual was randomly assigned to one of the three diets. Below you are given the total amount of weight lost in a six-month period by each person.| Diet A | Diet B | Diet C |
| 14 | 12 | 25 |
| 18 | 10 | 32 |
| 20 | 22 | 18 |
| 12 | 12 | 14 |
| 20 | 16 | 17 |
| 18 | 12 | 14 |
a. State the null and alternative hypotheses.
b. Prepare an ANOVA.
c. At 95% confidence test to determine if there is a significant difference in the means of the three populations.
Answer
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