The Z-test for comparing two proportions is appropriate with which null hypothesis (H₀)?
A) π₁ = π₂.
B) π₁ ≠ π₂.
C) π₁ x π₂ = 1
D) π₁ - π₂ = 1

Question

Quizplus · Accepted Answer

The null hypothesis (H₀) for the Z-test for comparing two proportions is always that the two population proportions are equal, which is represented as π₁ = π₂. Therefore, choice A is the correct answer.

The Z-Test for Comparing Two Proportions Is Appropriate with Which