Lecture(10.3c): Identify the test statistic used for  the ANOVA procedure  and how it is calculated. (a) The test statistic is F and is the ratio of the variation between groups to the variation within groups. (b) The test staistic  is Z and is the ratio of the mean within a group to the variation between groups. (c) The test statistic is Z and is calculated by finding the mean Z score between groups. (d) The test statistic is F and is calculated by finding the difference between group means.

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