The following information is obtained from two independent samples.
Sample 1:
|
15
|
8
|
12
|
4
|
10
|
8
|
13
|
7
|
12
|
6
|
14
|
11
|
Sample 2:
|
18
|
13
|
15
|
19
|
17
|
13
|
17
|
16
|
|
Test at 1% signi?cance level that the median for sample 1 is less than the median for sample 2 and interpret the meaning of your result.