Professor alpha and beta both teach statistics the

Reference no: EM13637577

Professor Alpha and Beta both teach statistics. The following table shows the distribution of their final grades. We wonder whether one of these professors is an "easier'" grader

a) create a table of each professor's expected counts, and explain why a chi-squared procedure is appropriate

b) write an appropriate null hypothesis

c) test your hypothesis about the 2 professors, and state your conclusion

	Prof. Alpha	Prof. Beta
A	3	9
B	11	12
C	14	8
Below C	12	3

Reference no: EM13637577

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