9. A physician who specializes in weight control has three different diets she recommends. As an experiment, she randomly selected 15 patients and then assigned 5 to each diet. After three weeks the following weight losses, in pounds, were noted. At the 0.05 signicance level, can she conclude that there is a difference in the mean amount of weight loss among the three diets? (10 marks) Plan A Plan B Plan C AN OVA Table for the above data is as follows: Source Sum of Squares df Mean Square Flcomputed) F(critical) Treatment ? ? ? ? ? Error ? ? 0.967 Total 37.73 ? Using the 0.05 signicance level: (a) state the null and alternate hypotheses for treatment; (b) state the decision rule for treatments; (c) state the null and alternate hypotheses; (d) complete and AN OVA table above (put the value next to the question mark); (e) give your decision regarding this set of hypotheses