14. (8 points) The data below represent the weight losses (in pounds) for people on three different exercise programs. At the 0.01 significance level, does it appear that a difference exists in the true mean weight loss produced by the three exercise programs? Exercise A Exercise B Exercise C 7.1 3.1 6.7 3.0 2.2 3.1 7.5 5.0 5.0 6.8 4.4 9.0 a) State the null and alternative hypotheses. b) Find the P-value. State the calculator command you use. Round to the third decimal place. c) State whether you should reject or fail to reject the null hypothesis. Justify your answer. d) State your conclusion in non-technical terms. Which exercise program appears to be the least effective, based on the sample data