This is using SPSS.

Dr. Saunders wanted to know whether children who had restricted television viewing time napped as much as children who had unlimited television viewing time. She recruited a small sample of children aged 2 to 7 years old; some of these children were allowed limited access to their home televisions, and others were allowed unlimited access. She obtained the following nap time data (in minutes) for the two groups:

Limited Unlimited viewing viewing 91 29 68 34 73 65 63 28 75 21 88 57