A weight loss program claims that program participants have

Last updated: 4/10/2024

A weight loss program claims that program participants have a mean weight loss of at least 12 pounds after 1 month You work for a medical association and are asked to test this claim A random sample of 30 program participants and their weight losses in pounds after 1 month is listed in the table below Assume the population standard deviation is 3 At a 0 04 do you have enough evidence to reject the program s claim Complete parts a through e 5 2 6 1 6 3 6 6 7 3 7 7 7 9 8 3 8 3 8 6 8 7 9 2 9 4 9 6 9 6 9 7 10 3 10 4 10 5 10 7 10 8 11 2 11 3 11 7 11 8 12 2 12 6 12 7 13 2 15 8 two ucciniai piacco as A The critical value is 1 75 B The critical values are Identify the rejection region s Choose the correct answer below C A B Fail to reject Ho Fail to reject Ho Fail to reject Ho Reject Ho 0 Reject Ho Reject H 4 c Find the standardized test statistic Z 4 03 Round to two decimal places as needed d Decide whether to reject or fail to reject the null hypothesis A Since z is not in the rejection region reject the null hypothesis B Since z is in the rejection region reject the null hypothesis C Since z is in the rejection region fail to reject the null hypothesis OD Since z is not in the rejection region fail to reject the null hypothesis e Interpret the decision in the context of the original claim At the 4 significance level there Reject H enough evidence to the program s