Answer to Question #19454 in Statistics and Probability for ADANE HAILU

Question

Pair
Treatment I
Treatment II
1
13
9
2
6
7
3
8
10
4
7
5
5
9
8
6
9
6
7
10
7
8
5
4
9
8
7
10
5
2
A researcher gave an intelligence test for 20 students and then paired them on the basis of their scores on the test. Then one number of each pair were given treatment I and the other member treatment II randomly. The result of the treatment was given below
Is the hypothesis that the results of treatment I and II are different justifiable? Choose your own  level. Construct the 95 % CI for the data.