Discussion:
Q: Blockbuster is testing a new policy of waiving all late fees on DVD rentals using a sample of 10 randomly chosen customers.
(a) At alpha= .10, does the data show that the mean number of monthly rentals has increased?
(b) Is the decision close ?
(c) Are you convinced?
DVDRental
Customer No Late fee Late fee
1 14 10
2 12 7
3 14 10
4 13 13
5 10 9
6 13 14
7 12 12
8 10 7
9 13 13
10 13 9