What is the Bonferroni corrected significance level for each of the following situations ...

15. For each of the following studies, (a) and (b), decide whether you can reject the null hypothesis that the groups come from identical populations. Use the .01 level. (c) Figure the effect size for each study. 

(a) Group 1 Group 2 Group 3
1 1 8
2 2 7
1 1 8
2 2 7
(b) Group 1 Group 2 Group 3
1 4 8
2 5 7
1 4 8
2 5 7 

16. What is the Bonferroni corrected significance level for each of the following situations?
Situation (a) (b) (c) (d)
Overall significance level .01 .01 .05 .05
Number of planned contrasts 4 2 4 3