Determine the type of bias involved

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Reference no: EM133845430

Problem

Determine the type of bias involved. A medical researcher wants to determine whether exercising can lower blood pressure. She surveys a random sample of 500 people who have high blood pressure. Get the instant assignment help. The results strongly suggest that exercising can lower blood pressure; however, only 20 people returned the survey instrument.

Reference no: EM133845430

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Determine the type of bias involved : Determine the type of bias involved. A medical researcher wants to determine exercising can lower blood pressure. She surveys a random sample of 500 people.

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