Three groups of 5 students were tested in their ability to correctly answer a 10-question quiz under different formats. Group 1 had a True/False quiz, Group 2 had a Fill-In quiz, and Group 3 had a Multiple Choice quiz. Their scores were as follows:
|
True/False
|
Fill-In
|
Multiple Choice
|
|
6
|
3
|
6
|
|
8
|
5
|
10
|
|
9
|
6
|
6
|
|
7
|
7
|
8
|
|
10
|
5
|
7
|
Test whether there was a difference in performance on answering the same general questions under different formats. Use a .05 level of significance.
a) P-value = ________________
b) REJECT THE NULL or DO NOT REJECT THE NULL? (Circle one)
c) Can we conclude a difference in means? YES or NO (circle one)
d) If the null is rejected, which specific differences are statistically significant?