Question

A college dean is interested in the exam performance of students in a biology course. After the final exam, students are randomly selected from three different section of the biology course. What can be conclude with α = 0.05? The data are below.

section 1	section 2	section 3
84 68 81 65 41 75 64 77 40 78 69	90 82 82 77 75 82 81 91 70 90 82	94 81 87 82 72 77 81 87 67 86 77

Conduct Tukey's Post Hoc Test for the following comparisons:
1 vs. 3: difference =   ; significant:  ---Select--- Yes No  
2 vs. 3: difference =   ; significant:  ---Select--- Yes No  

f) Conduct Scheffe's Post Hoc Test for the following comparisons:
1 vs. 2: test statistic =   ; significant:  ---Select--- Yes No  
2 vs. 3: test statistic =   ; significant:  ---Select--- Yes No  

Answer 1