11:12

Study Session

Practice

Math III | 2 of 3

Targeted Practice | 10 min | identify purpose and effect of each.

Problem 64 of 7

Distinguish random sampling from random assignment in randomly selecting 100 households from a city to estimate average income.

Hints

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Hint 1: First move

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identify purpose and effect of each.

Hint 2: Concept reminder

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Identify purpose and effect of each in study-design descriptions.

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Solution

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