t_test and ANOVA

t_test and ANOVA - Behold the Great and Powerful t-Test and...

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Unformatted text preview: Behold the Great and Powerful t-Test and the Wonderful ANOVA t- Test : a statistic reflecting the ratio of variance between two normal distributions. The standard deviation is unknown.* the higher the t-score, the greater the separation between the two distributions. *Thats if you are testing a sample vs. population. Experimental Group Control Group An example Bill is evaluating the difference between Mrs. Clarks class and Mrs. Jenkins class regarding scores on a math quiz. The grades for both classes are shown on the following table. Mrs. Clarks class Mrs. Jenkins class 90 86 82 92 82 80 94 80 86 96 96 84 80 88 The class average for Mrs. Clark is 87.14 The class average for Mrs. Jenkins is 86.57 In order to see if there is a significant difference between the two classes, Bill must run a t-test. Bills results indicate that t (12) = .174, p > .05 What does this mean? How it is written in a paper An independent groups t-test was conducted...
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t_test and ANOVA - Behold the Great and Powerful t-Test and...

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