Which of the following is a nondirectional alternative hypothesis for an independent samples t test?
A) H₁: μ₁ = μ₂
B) H₁: μ₁ μ₂
C) H₁: μ₁ ≠ μ₂
D) H₁: μ₁ ≥ μ₂

Question

Which of the following is a nondirectional alternative hypothesis for an independent samples t test?
A) H₁: μ₁ = μ₂
B) H₁: μ₁ > μ₂
C) H₁: μ₁ ≠ μ₂
D) H₁: μ₁ ≥ μ₂

Quizplus · Accepted Answer

A nondirectional alternative hypothesis does not specify the direction of difference between the means of the two groups being compared. Thus, the only option that fits this criterion is C, which states that the means are not equal. Options A, B, and D all specify a direction of difference in the means.

Which of the Following Is a Nondirectional Alternative Hypothesis for an Independent