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

Multiple Choice

In a right-tailed test comparing two means with known variances,the sample sizes were n₁ = 8 and n₂ = 12.At  = .05,the critical value would be:

A) 1.960
B) 1.645
C) 1.734
D) 1.282