Two accounting professors decided to compare the variation of their grading procedures. To
Accomplish this they each graded the same 10 exams with the following results:
What is H1?
A) σ21 = σ22
B) σ21 ≠ σ22
C) µ1 = µ2
D) µ1 ≠ µ2

Question

Two accounting professors decided to compare the variation of their grading procedures. To
Accomplish this they each graded the same 10 exams with the following results: 
What is H1?
A) σ21 = σ22 
B) σ21 ≠ σ22 
C) µ1 = µ2 
D) µ1 ≠ µ2

Quizplus · Accepted Answer

σ21 ≠ σ22

Two Accounting Professors Decided to Compare the Variation of Their