Question: The following ANOVA summary table was obtained for a comparison of six teachers. Of interest is whether students of those teachers display different mean levels of performance on a standardized language test. Class size is about 20 to 22 students per teacher, for a total number of 126 students included in the analysis.

1. . Complete the missing calculations in the table below.
   Sum of Squares df Mean Square F
   Between Groups 600.00 ____? ____? _____?
   Within Groups _____? ____? _____?
   Total 4800.00
2. . Given the F ratio calculated, would one reject or fail to reject Ho for α = .05? Explain how you arrived at this conclusion.
3. . If α = .01, would one reject or fail to reject Ho? Explain how you arrived at this conclusion.

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