Question: At Bigbrain University, the typical grade distribution is A, 15%; B, 25%; C, 45%; D, 10%; F, 5%. The grades given by two professors are

At Bigbrain University, the typical grade is A, 15%; B, 25%; C, 45%; D, 10%; F, 5%. The grades given by two professors are shown here. For each one (separately), test the null hypothesis that the professor is a typical grader, using a one-variable chi-square analysis.

(a) Professor 1 (b) Professor 2 в с A B D A B D fo 13 22 6. 13 12 8 3 3 4

(a) Professor 1 (b) Professor 2 A B D A B D fo 13 22 6. 13 12 8 3 3 4

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