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When only two treatments are involved, ANOVA and the Student's ttest (Chapter 11) result in the same conclusions. Also, for computed test statistics, I2 =
When only two treatments are involved, ANOVA and the Student's ttest (Chapter 11) result in the same conclusions. Also, for computed test statistics, I2 = 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 six students who took the course in the normal lecture format. The other group of eight students took the course in a distance format. At the end of the course, each group was examined with a 50item test. The following is a list of the number correct for each of the two groups. Traditional Lecture Distance 39 45 34 33 39 43 31 46 3B 41 36 43 47 43 Epicture Click here for the Excel Data File. Required: a-1. Complete the ANOVA table. (Round your 55, MS, and Fvalues to 2 decimal places and pdvalue. Fcrit to 4 decimal places.) 6 Answer is complete but not entirely correct. "reatment 68.15 9 1 0 68.15 9 2.35 6 0.1500 6 434112 0 Error 340.71 9 12 o 23 89 9 'otal 414.80 0 13 o b. Using the ttest from Chapter 11, compute t. {Negative amount should be indicated by a minus sign. Round your answer to 3 decimal places.) 6 Answer is complete but not entirely correct. I 1.5359
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