Q1) A vice president for marketing recruits 20 college graduates for management training. 20 individuals are arbitrarily assigned, 10 each, to one of two groups. "Traditional" method of training (T) is utilized in one group, and the "experimental" method (E) is used in other. After graduates spend 6 months on job, vice president ranks them on basis of their performance, from 1 (worst) to 20 (best), with following results:
|
T
|
1
|
2
|
3
|
5
|
9
|
10
|
12
|
13
|
14
|
15
|
|
E
|
4
|
6
|
7
|
8
|
11
|
16
|
17
|
18
|
19
|
20
|
Is there evidence of difference in median performance between two methods? (Use α = 0.05.)