## Question 680:

To test the null hypothesis that the mean waist size for males under 40 years equals 34 inches versus the hypothesis that the mean differs from 34, the following data were collected: 33, 33, 30,34, 34, 40, 35, 35, 32, 38, 34, 32, 35, 32, 32, 34, 36, 30.

Calculate the t* -value of the test statistic.