The z-test would be appropriate for testing three or more proportions when the sample size is less than 30.

Name: The z-test would be appropriate for testing three or more proportions when the sample size is less than 30.
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The z-test assumes that the sample size is large enough (typically greater than 30) for the Central Limit Theorem to apply. For small sample sizes (less than 30), the appropriate test to use is typically the t-test.

The Z-Test Would Be Appropriate for Testing Three or More