The z-test requires no assumptions about the shape of the population distributions as long as both n₁ and n₂ are ? 30.

Name: The z-test requires no assumptions about the shape of the population distributions as long as both n 1 and n 2 are ? 30.
Brand: Quizplus
Rating: 5.0 (32 reviews)

Question

Quizplus · Accepted Answer

When both n₁ and n₂ are ≥ 30, the sample size is considered large enough for the central limit theorem to apply, making the z-test valid regardless of the shape of the population distributions.

The Z-Test Requires No Assumptions About the Shape of the Population