Question
When only two treatments are involved, ANOVA and the Students t test (Chapter 11) result in the same conclusions. Also, for computed test statistics, t2
When only two treatments are involved, ANOVA and the Students t test (Chapter 11) result in the same conclusions. Also, for computed test statistics, t2 = F. To demonstrate this relationship, use the following example. Fourteen randomly selected students enrolled in a history course were divided into two groups, one consisting of 6 students who took the course in the normal lecture format. The other group of 8 students took the course as a distance course format. At the end of the course, each group was examined with a 50-item test. The following is a list of the number correct for each of the two groups. Traditional lecture 37 35 41 40 35 34 Distance 50 46 49 44 41 42 45 43 a) Using analysis of variance techniques, test H0 that the two mean test scores are equal: a = 0.05. b) Using the t test fron Chapter 11, compute t. c) Interpret the results.
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