In: Statistics and Probability
Consider the following sample information for three treatment groups:
Treatment 1 |
Treatment 2 |
Treatment 3 |
15 |
18 |
11 |
18 |
21 |
12 |
13 |
17 |
15 |
12 |
15 |
9 |
(a) Using the 0.05 significance level, test the null hypothesis that the three treatment means are equal.
(b) Interpret your results.