?4 CRE Effectiveness of Diet. ?Listed below are weights (lb) of subjects before and after the Zone diet. (Data are based on results from “Comparison of the Atkins, Ornish, Weight Watchers, and Zone Diets for Weight Loss and Heart Disease Risk Reduction, “ by Dansingeret al,? ?Journal of the American Medical Association, ? ol. 293, No. 1.) Use the data for Exercises. Diet Clinical Trial: Confidence Interval? Construct a 95% confidence interval estimate of the mean weight of subjects before the diet. Write a brief statement interpreting the confidence interval.

Solution 4 CRE Step 1 : Given is weights and heights of the subjects before and after diet. The claim is that the diet is effective or not. Hypothesis H :0There is no significance difference between the weight before and after the diet. H :1There is significance difference between the weight before and after the diet. Following are the steps to analyze result from Minitab . Enter the dataset in stat disk stat basic statistics descriptive. . Choose mean and standard deviation ok Step 2 : Following are the steps to analyze result from Stat Disk . Enter the dataset in stat disk Analyze confidence interval one mean sample. . Enter value of mean, sample size, standard deviation and the required sample size Evaluate