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Given the Following Information About a Hypothesis Test of the Difference

Question 57

Multiple Choice

Given the following information about a hypothesis test of the difference between two means based on independent random samples,which one of the following is the correct rejection region at a significance level of .05? HA: µA> µB, Given the following information about a hypothesis test of the difference between two means based on independent random samples,which one of the following is the correct rejection region at a significance level of .05? H<sub>A</sub>: µ<sub>A</sub>> µ<sub>B</sub>, <sub>1</sub> = 12, <sub>2</sub> = 9,s<sub>1</sub> = 4,s<sub>2</sub> = 2,n<sub>1</sub> = 13,n<sub>2</sub> = 10. A) Reject H<sub>0</sub> if Z > 1.96 B) Reject H<sub>0</sub> if Z > 1.645 C) Reject H<sub>0</sub> if t > 1.721 D) Reject H<sub>0</sub> if t > 2.08 E) Reject H<sub>0</sub> if t > 1.782 1 = 12, Given the following information about a hypothesis test of the difference between two means based on independent random samples,which one of the following is the correct rejection region at a significance level of .05? H<sub>A</sub>: µ<sub>A</sub>> µ<sub>B</sub>, <sub>1</sub> = 12, <sub>2</sub> = 9,s<sub>1</sub> = 4,s<sub>2</sub> = 2,n<sub>1</sub> = 13,n<sub>2</sub> = 10. A) Reject H<sub>0</sub> if Z > 1.96 B) Reject H<sub>0</sub> if Z > 1.645 C) Reject H<sub>0</sub> if t > 1.721 D) Reject H<sub>0</sub> if t > 2.08 E) Reject H<sub>0</sub> if t > 1.782 2 = 9,s1 = 4,s2 = 2,n1 = 13,n2 = 10.


A) Reject H0 if Z > 1.96
B) Reject H0 if Z > 1.645
C) Reject H0 if t > 1.721
D) Reject H0 if t > 2.08
E) Reject H0 if t > 1.782

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