Posted by **TJohnson** on Monday, May 17, 2010 at 2:39pm.

[1.5%] ANOVA: 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.

6a) P-value = ________________

6b) REJECT THE NULL or DO NOT REJECT THE NULL? (circle one)

6c) Can we conclude a difference in means? YES or NO (circle one)

6d) If the null is rejected, which specific differences are statistically significant?

T/F vs. Fill-in Fill-in vs. Multiple Choice T/F vs. Multiple Choice

(circle all that apply)

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