A clinic manager conducted an 8-week training on new regulations affecting the practice. Each employee took a pre-assessment and a post-assessment to determine their level of knowledge on the content of the training.

Data

Individual	Pre	Post
1	2.4	3
2	2.5	2.8
3	3	3.5
4	2.9	3.1
5	2.7	3.5
6	2.7	3.3
7	2.8	3.1
8	3.3	3.8
9	3.2	3.4
10	3	3.8
11	2.1	2.7
12	2.2	2.5
13	2.7	3.2
14	2.6	2.8
15	2.4	3.2

A)Conduct the appropriate t-test and indicate yourevidence at = 0.05 that the training was effective.

B) What does it mean that this is a two-tailed test?