Inference for Categorical Data: Proportions connects to later units in AP Statistics. Solid practice now reduces rework when those ideas reappear in combined scenarios.
Confidence intervals and hypothesis tests for proportions including comparing two proportions. Expect questions involving Constructing and interpreting confidence intervals for a proportion; One- and two-sample proportion tests (z-tests); p-value interpretation and Type I/II errors.
After each practice question, write one sentence explaining why the correct answer works. That habit transfers directly to AP Statistics free response reasoning.
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