Suppose data collected from an experiment resulted in a significant ANOVA test. Using the summary statistics and MSE = 29.83, construct the Bonferroni 99% confidence intervals for all pairwise comparisons. Use these intervals to identify the significantly different population means.
Group
|
1
|
2
|
3
|
4
|
Sample size
|
20
|
20
|
20
|
20
|
Sample mean
|
19.59
|
21.58
|
16.50
|
25.76
|