What's the test statistic and critical value. Do we reject?

Weight loss: In a study to determine whether counseling could help people lose weight, a sample of people experienced a group- based behavioral intervention, which involved weekly meetings with a trained interventionist for a period of six months. The olo following data are the numbers of pounds lost for 14 people, based on means and standard deviations given in the article. 23.1 29.1 8.6 24.8 21.9 13.7 18.0 21.8 38.0 34.3 13.1 37.2 25.0 20.4 Send data to Excel Assume the population is approximately normal. Perform a hypothesis test to determine whether the mean weight loss is greater than 21 pounds. Use the a=0.05 level of significance and the P-value method with the Critical Values for the Student's t Distribution Table. What do you conclude? Part: 0 / 5