In a right-tailed test comparing two means with known variances,the sample sizes were n1 = 8 and n2 = 12.At α = .05,the critical value would be
A)1.960
B)1.645
C)1.734
D)1.282

Name: In a right-tailed test comparing two means with known variances,the sample sizes were n1 = 8 and n2 = 12.At α = .05,the critical value would be A)1.960 B)1.645 C)1.734 D)1.282
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Question

Quizplus · Accepted Answer

For a right-tailed test at α = 0.05, the critical value from the standard normal distribution (Z-distribution) is 1.645.

In a Right-Tailed Test Comparing Two Means with Known Variances,the