In the StudentSurvey data, there are 36 seniors: 26 males and 10 females. Table C.9 gives the

Question:

In the StudentSurvey data, there are 36 seniors: 26 males and 10 females. Table C.9 gives the number of hours per week that each said he or she spent exercising. Find a 95% confidence interval for the difference in mean time spent exercising between male and female seniors at this university.

Table C.9

Females 4 12 6. 15 10 5 Males 10 15 10 10 4 12 12 4 5 15 6.