7th Grade Math Flashcards: Understand Random Sampling

Study Understand Random Sampling in 7th Grade Math with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the main goal of using a sample instead of the full population?

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ANSWER

To estimate population characteristics using less time and cost. Sampling is more practical than surveying entire populations.

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You are hereUnderstand Random Sampling48 cards

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48 cards

What this deck covers

This deck focuses on Understand Random Sampling, giving you a quick way to review the definitions, rules, and examples that matter most for 7th Grade Math.

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 44Practice questions for this set

A school has 540 students. A group wants to estimate the percentage of students who think the hallways are too crowded. Plan 1: Randomly select 54 students from the full student list.
Plan 2: Survey 200 students who volunteer to answer during an assembly. Which statement is most accurate?

Choose an answer

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