Question: An administrator notices that high school students tend to be more disruptive in classes with a substitute teacher. To test this, the administrator records the

An administrator notices that high school students tend to be more disruptive in classes with a substitute teacher. To test this, the administrator records the number of student outbursts during a class of 10 students with their assigned teacher and a substitute teacher. The following is an ANOVA summary table for the results of this hypothetical study. Complete the F table and make a decision to retain or reject the null hypothesis.

Source of Variation SS Between groups Between persons Within groups (error) Total

Source of Variation SS Between groups Between persons Within groups (error) Total df MS e 30 2.00 3 192 19

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