Assignment:
For the following data from independent samples, could the null hypothesis that the population means are equal be rejected at the 0.05 level?
|
Sample 1
|
Sample 2
|
Sample 3
|
Sample 4
|
|
15.2
|
10.2
|
14.9
|
11.5
|
|
12.2
|
12.1
|
13.0
|
13.1
|
|
15.0
|
85
|
10.8
|
11.5
|
|
14.6
|
8.1
|
10.7
|
6.3
|
|
9.7
|
10.9
|
13.3
|
12.0
|
|
|
13.6
|
10.6
|
8.7
|
|
|
8.5
|
|
11.9
|
Provide complete and step by step solution for the question and show calculations and use formulas.