A large university says the mean number of classroom hours per week for full-time faculty is ...

     A large   university says the mean number of classroom hours per week for full-time   faculty is more than 9.   A random sample of the number of   classroom hours for full-time faculty for one week is listed.  At   a=0.95 test the university's claim.   10.7     9.8    11.6  9.7     7.6  11.3   14.1   8.1     11.5  8.5   6.9