Which of the following is an appropriate null hypothesis? A)H₀ : μ_x - μ_y ≠ 0 B)H₀ : P_x P_y C)H₀ : μ_x - μ_y

Question

Which of the following is an appropriate null hypothesis? A)H₀ : μ_x - μ_y ≠ 0 B)H₀ : P_x> P_y C)H₀ : μ_x - μ_y < 0 D)H₀: σ²_x =σ²_y

Quizplus · Accepted Answer

The null hypothesis typically states that there is no effect or no difference, and it often asserts equality. Choice D, which posits equality between two variances (σ), aligns with this principle, making it an appropriate null hypothesis. Choices A, B, and C suggest differences or inequalities, which are more aligned with alternative hypotheses.

Which of the Following Is an Appropriate Null Hypothesis