Mathematics, 05.07.2020 14:01 kyliefetters11
A fitness company conducted an experiment on multiple volunteers for their 15-day "beach body" weight loss program. Their before and after weights were taken and the results are listed below. Before After247.7 232.9177.8 169.7152.7 151.6115.9 119.1242.5 241121.7 126.2241.3 234.5212.8 217.7182.5 176.7231.3 222.8225.9 217.2155.3 154.4187.9 177.5149.4 139.3187.7 194.1176.4 174.3197.7 191.8Required:a. What is the average before weight of the group?b. What is the average after weight of the group?c. Using an appropriate confidence interval, determine if the program was effective over the 15-days in helping people lose weight.
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