AP®︎ Statistics (pre-2026): Topic 6.4 Flashcards

Master key terms and definitions for Topic 6.4 of AP Statistics (pre-2026) – Setting Up a Test for a Population Proportion to help you prep for quizzes and the AP exam.

This course has been archived. The College Board updated AP Statistics for the 2026–27 school year, and the units and topics changed.
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Term

Hypotheses for a Population Proportion

Definition

H0: p = p0; Ha: p < p0, p > p0, or p ≠ p0.

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Hypotheses for a Population Proportion
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H0: p = p0; Ha: p < p0, p > p0, or p ≠ p0.

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One-Sided vs. Two-Sided Alternative Hypotheses
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One-sided uses < or >; two-sided uses ≠.

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Boundary of Equality
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Even for one-sided tests, the null is tested at p = p0.

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One-Sample Z-Test for a Population Proportion
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The inference procedure for testing one categorical population proportion using sample data.

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No Difference or No Effect in the Null Hypothesis
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The hypothesized value usually represents no change, difference, or treatment effect.

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Random Condition
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Data must come from a random sample or randomized experiment.

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Independent Condition / 10% Condition
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When sampling without replacement, check that n ≤ 0.10N to justify independence.

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Large Counts Condition for a Hypothesis Test
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Assuming H0 is true, require np0 ≥ 10 and n(1 - p0) ≥ 10.

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Null and Alternative Hypotheses
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The assumed population claim includes equality, while the competing claim uses <, >, or ≠.

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