10 subjects were given instructions in free throw shooting and practice for one month in anticipation that their free throw abilities would improve. The following chart provides baskets made out of 50 trials before and after the training. Note that these data should be treated as dependent samples.

Subject before training after training

1 20 28

2 30 32

3 24 28

4 29 25

5 22 32

6 30 37

7 18 20

8 25 30

9 30 27

10 23 33

A. Setup hypotheses to test that the training increased free throw efficiency

B. Perform the appropriate test and interpret results.