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Traditionally,a Professor Likes to Assign Grades According to the Following

Question 43

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Traditionally,a professor likes to assign grades according to the following breakdown: 15% As,25% Bs,40% Cs,15% Ds,and 5% Fs.This year,she gave out 17 As,35 Bs,60 Cs,10 Ds,and 2 Fs.Is there any evidence that the professor has changed her grading scheme at 5% significance level?

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H0 : P1 = 0.15,P2 = 0.25,P3 = 0.40,P4 = 0.15,...

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