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AP Statistics Flashcards: Difference Of Two Population Proportions Setup

Study Difference Of Two Population Proportions Setup in AP Statistics with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the alternative hypothesis for a two-tailed test of two proportions?

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ANSWER

Ha:p1−p2≠0H_a: p_1 - p_2 \neq 0. Tests if proportions differ in either direction (two-sided test).

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AP Statistics: Inference for Categorical Data: Proportions

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This deck focuses on Difference Of Two Population Proportions Setup, giving you a quick way to review the definitions, rules, and examples that matter most for AP Statistics.

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Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 35Practice questions for this set
A city compares two methods for repairing potholes to see which results in fewer repairs needed within 6 months. For Method A, 19 of 85 repaired potholes needed another repair within 6 months. For Method B, 10 of 80 repaired potholes needed another repair within 6 months. The city's research claim is that Method A has a higher proportion needing another repair than Method B. Which hypotheses are appropriate for testing this claim about the population proportions?
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