Use the following information to calculate your answers to questions 10 through 14.

Test scores of 10 individuals before and after a training program are shown below. Note: despite the sample size, assume that the sampling distribution of T⁺ can still be approximated by a normal distribution.

Individual	Score After the Program	Score Before the Program
1	57	59
2	62	57
3	60	60
4	63	66
5	69	68
6	63	59
7	74	72
8	56	52
9	64	58
10	64	63