For a Hypothesis Comparing Two Population Means, H₀ $\mu$ ₁ $\le$ $\mu$

Multiple Choice

For a hypothesis comparing two population means, H₀: $\mu$ ₁ $\le$ $\mu$ ₂, what is the critical value for a one-tailed hypothesis test, using a 5% significance level, with both sample sizes equal to 13? Assume the population standard deviations are equal.

A) $\pm$ 1.711
B) +1.711
C) +2.060
D) +2.064