Question: A two-factor ANOVA: the null hypotheses, interpretation, and assumptions A fourth-grade teacher suspects that the time she administers a test, and what sort of snack

A two-factor ANOVA: the null hypotheses, interpretation, and assumptions A fourth-grade teacher suspects that the time she administers a test, and what sort of snack her students have before the test, affects their performance. To test her theory, she assigns 90 fourth- grade students to one of three groups. One group gets candy (jelly beans) for their 9:55 AM snack. Another group gets a high-protein snack (cheese) for their 9:55 AM snack. The third group does not get a 9:55 AM snack. The teacher also randomly assigns 10 of the students in each snack group to take the test at three different times: 10:00 AM (right after snack), 11:00 AM (an hour after snack), and 12:00 PM (right before lunch). Suppose that the teacher uses a two-factor independent-measures ANOVA to analyze these data.Without post hoc

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