# Study design

### Practice

Statistical questionsGet 5 of 7 questions to level up!

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### Practice

Valid claimsGet 3 of 4 questions to level up!

Making inferences from random samplesGet 5 of 7 questions to level up!

Identifying the population and sampleGet 3 of 4 questions to level up!

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### Practice

Using probability to make fair decisionsGet 3 of 4 questions to level up!

Simple random samplesGet 3 of 4 questions to level up!

Sampling methodsGet 5 of 7 questions to level up!

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### Practice

Types of statistical studiesGet 3 of 4 questions to level up!

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### Practice

Experiment designsGet 3 of 4 questions to level up!