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QUESTION 3 A diet trainer wants to determine whether there is a significant difference in the mean weight loss among four diet programs (low calorie diet, low fat diet, low carbohydrate diet and a control group). The data were collected and the result of the weight loss is shown below. ANOVA Sum of Mean Squares df Square F Between Groups A 3 22.317 (2 Within Groups 41.600 B 2.600 Total 108.550 19 a) Find the values of A, B and C. [3 marks} b) State the null and alternative hypotheses for this study. [2 marks) c) Using Ftest, is there sufficient evidence to indicate that there is a difference in mean weight loss among the four diet programs? Use (1 = 0.05. (3 marks]