An accounting professor wants to know if students perform the same on the departmental final exam irrespective of the accounting section they attend. For three sections, he obtains the final exam grades for 20 students. The following Excel output for α = 0.05 summarizes a portion of the results.

a. Find the missing values in the ANOVA table.
b. At the 5% significance level, can you conclude that average grades differ in the accounting sections?

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ANOVA Source of Variation Between Groups 57.39 2 MSTR s0.3461 3.159 Within Groups SSE-7 57 MSE = ? SS df MS F p-value F crit 2,57 Total 1570.19 59