Question

This Question: 10 pts 10 of 20 (1 complete) This Test: 200 pts possible Question Help * In a test of weight loss programs, 140 subjects were divided such that 35 subjects followed each of 4 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 Between Group Within Groups Total df MS P-value F cnt 308.265 3 102.75486 2.9878 0.033375 2.671178 4677 241 136 34.39148 4985.506 139 Should the null hypothesis that all the diets have the same mean weight loss be rejected? O A. No, because the P-value is less than the significance level. B. No, because the P-value is greater than the significance level ° C. Yes, because the P-value is less than the significance level O D. Yes, because the P-value is greater than the significance level. Click to select your answer. Previous Next»

Answer 1

Here the null hypothesis that all the diets have the same mean weight loss is rejected because of p-value is less than a significance level(0.033375<0.05).