Three different diets, called blue, red, and green, TEST respectively, are recommended to three different groups of people with similar physical features. The file Diet contains the weight each participant lost (in kilograms) after following the diet for six months.

a. At the 0.05 level of significance, is there evidence of a difference in the median weight loss across the three groups?

b. Compare the results of (a) with those of Problem 11.9 (a).

Problem 11.9 (a)

Three different diets, called blue, red, and green, respectively, are recommended to three different groups of people with similar physical features. The file Diet contains the weight each participant lost (in kilograms) after following the diet for six months.

a. At the 0.05 level of significance, is there evidence of a difference in the mean weight loss for the different diets?