AP Statistics Flashcards: Confidence Interval For A Population Mean

Study Confidence Interval For A Population Mean 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 happens to the interval if sample standard deviation decreases?

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ANSWER

The interval becomes narrower. Smaller $s$ reduces standard error and margin of error.

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AP Statistics: Inference for Quantitative Data: Means

Carrying Out Test for Population Mean28 cards

You are hereConfidence Interval for a Population Mean35 cards

Confidence Intervals: Difference of Two Means37 cards

Difference of Two Means (Setup)28 cards

Difference of Two Means (Test)31 cards

Introducing Statistics: Worry About Error35 cards

Justifying Claims: Difference of Two Means38 cards

Justifying Claims: Population Mean, Confidence Interval37 cards

Selecting, Implementing, and Communicating Inference Procedures37 cards

Setting Up Tests for Population Mean40 cards

All flashcards

35 cards

What this deck covers

This deck focuses on Confidence Interval For A Population Mean, giving you a quick way to review the definitions, rules, and examples that matter most for AP Statistics.

How to use these flashcards

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 50Practice questions for this set

A researcher selected a simple random sample of 18 adult housecats from a city and measured their weights (in pounds). A 95% confidence interval for the population mean cat weight was

(9.6, 11.2)

pounds. Which interpretation is correct?

Choose an answer

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