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Two Accounting Professors Decided to Compare the Variance of Their

Question 51

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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: 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 null hypothesis? A) H<sub>0 </sub>: σ<sub>1</sub><sup>2</sup> = σ<sub>2</sub><sup>2</sup> B) H<sub>0</sub> : σ<sub>1</sub><sup>2</sup> ≠ σ<sub>2</sub><sup>2 </sup> C) H<sub>0</sub> : μ<sub>1</sub> = μ<sub>2</sub> D) H<sub>0</sub> : μ<sub>1</sub> ≠ μ<sub>2 </sub> What is the null hypothesis?


A) H0 : σ12 = σ22
B) H0 : σ12 ≠ σ22
C) H0 : μ1 = μ2
D) H0 : μ1 ≠ μ2

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