SME
Grade 7 Math · Problem type
Random sample or not?
Use this for “Which way of choosing students gives a random sample of the school?”
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Would this give a random sample of the school?
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Assumptions
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In a random sample, every member of the population has the same chance to be picked.
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People who choose themselves, or who are easy to reach, are not a random sample.
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A random sample can describe the whole population; a biased one leans one way.
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