An Internet provider wonders if its cable Internet customers are significantly more satisfied with one or the other of its two packages-free e-mail or free basic TV. The company surveys 12 customers currently receiving free e-mail with their cable Internet and 12 customers currently receiving free basic TV with their cable Internet. Satisfaction scores range from 1 to 10 based on answers to the survey questions. Here are the scores. Conduct a two-tailed t test at the .05 a level. Are customers significantly more satisfied with one package or the other?
Free E-mail Free Basic TV
6................................... 7
7................................... 10
5................................... 8
7................................... 5
8................................... 9
6................................... 10
10................................. 7
9................................... 6
6................................... 5
7................................... 6
5................................... 8
7................................... 6