Two accounting professors decided to compare the variance of their grading procedures. To accomplish this,they each graded the same 10 exams,with the following results: What is the alternate hypothesis? A)H₁ : σ₁² = σ₂² B)H₁ : σ₁² ≠ σ₂² C)H₁ : μ₁ = μ₂ D)H₁ : μ₁ ≠ μ₂

Question

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The alternate hypothesis should state that there is a difference in the variance of the two grading procedures. Option B is the only choice that reflects this. Option A deals with equal variances, option C deals with equal means, and option D deals with a difference in means.

Two Accounting Professors Decided to Compare the Variance of Their