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AP Statistics Flashcards: Introducing Statistics Worry About Error

Study Introducing Statistics Worry About Error 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 selection bias?

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ANSWER

Bias introduced by not randomly selecting participants. Non-random participant selection creates systematic differences from the population.

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AP Statistics: Inference for Quantitative Data: Means

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What this deck covers

This deck focuses on Introducing Statistics Worry About Error, 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 48Practice questions for this set
A retail company A/B tests a new checkout design on a sample of website visitors and finds evidence of a higher purchase rate. The company considers rolling it out to all users immediately. Why is it important to consider potential error in this inference, given that a rollout could either increase revenue or unintentionally reduce sales for many customers?
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