Hypothesis test of difference between two means based on, Ask an Expert

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Given the following information about the hypothesis test of difference between two means based on independent random samples, which one of the given is correct rejection region at significance level of .05? Suppose that samples are got from normally distributed populations having equal variances.

Ho: μA≤μB, H1: μA>μB, X1=12, X2=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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Category:- Statistics and Probability
Reference No.:- M9390807

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