WorksheetSpot the Bias: Sampling and Survey Design
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About:
This printable statistics worksheet gives 7th-8th graders 10 real-world survey scenarios to analyze for bias in sampling strategy and question design. Students identify the population, sample, and sampling method; determine whether bias exists; and propose improvements. Scenarios include a school uniform survey, a pizza topping poll, a dog park survey, and others. Useful for statistics units, homework, or classwork on data collection and survey design.
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