Question

hen only two treatments are involved, ANOVA and the Student’s t test (Chapter) result in the same conclusions. Also, t2 = F. As an example, 14 randomly selected Introduction to History students were divided into two groups, one consisting of 6 students and the other of 8. One group took the course in the normal lecture format. The other group of 8 students took the course via the Internet. At the end of the course, each group was given a 50-item test. The following is a list of the number correct for each of the two groups.
Traditional Lecture Internet
19 ............. 32
17 ............. 28
23 ............. 31
22 ............. 26
17 ............. 23
16 ............. 24
27
25
a. Using analysis of variance techniques, test H0 that the two mean test scores are equal; α = .05.
b. Using the t test from Chapter 11, compute t.
c. Interpret the results.



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  • CreatedDecember 10, 2014
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