Answer Happy

1. In a test of weight loss programs, 204 subjects were divided such that 34 subjects followed each of 6 diets. Each was weighed a year after starting the diet and the results are in the ANOVA table below. Use a 0.05 significance level to test the claim that the mean weight loss is the same for the different diets. Source of Variation SS df MS F P-value F crit Between Groups 300.327 5 60.06530 1.7558 0.123660 2.259697 Within Groups 6773.511 198 34.20965 Total 7073.838 203 Should the null hypothesis that all the diets have the same mean weight loss be rejected? A. No, because the P-value is less than the significance level. B. Yes, because the P-value is less than the significance level. C. No, because the P-value is greater than the significance level. D. Yes, because the P-value is greater than the significance level.