We compare the final exam grades of students taking statistics in the morning ( = 76.2), in the…

We compare the final exam grades of students taking statistics in the morning ( = 76.2), in the afternoon ( = 74.45), and in the evening ( = 72.53). With n = 10 we compute the following sums of squares.

(a) Complete the ANOVA summary table. (b) What is Fcrit? (c) Is there a significant difference between the class means? (d) What other procedures should be performed? (e) Based on these results, what psychological explanation can you give for why the time of day the class meets has no influence on grades?

 

 

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