When we use the phrase "omnibus null hypothesis" we are referring to A) μ ₁ = μ ₂ B) μ ₁ = μ ₂ = μ ₃ = μ ₄ C) μ ₁ = μ ₂ ≠ μ ₃ = μ ₄ D) μ ₁ ≠ μ ₂

Question

Quizplus · Accepted Answer

The phrase "omnibus null hypothesis" refers to the null hypothesis that all group means are equal. In option B, all four group means (μ ₁, μ ₂, μ ₃, μ ₄) are being compared to each other, indicating that they are all equal. Therefore, option B represents the omnibus null hypothesis.

When We Use the Phrase "Omnibus Null Hypothesis" We Are