The alternative hypothesis for a one-tailed independent-groups t test states that: A) H₀: $\mu$₁ $\not = $$\mu$₂. B) H₀: $\mu$₁ $\mu$₂,or H_a: $\mu$₁

Question

The alternative hypothesis for a one-tailed independent-groups t test states that: A) H₀: $\mu$₁ $\not = $$\mu$₂. B) H₀: $\mu$₁ < $\mu$₂. C) H_a: $\mu$₁$\not=$$\mu$₂. D) H_a: $\mu$₁ > $\mu$₂,or H_a: $\mu$₁ < $\mu$₂.

Quizplus · Accepted Answer

A one-tailed test specifies a direction of the effect, so the alternative hypothesis would state that one mean is greater than or less than the other.

The Alternative Hypothesis for a One-Tailed Independent-Groups T Test States μ\muμ

The Alternative Hypothesis for a One-Tailed Independent-Groups T Test States $\mu$