Biology
Biology, 27.08.2019 09:00, cass9980

Elias conducted an experiment about the effects of exercise on the heart rate of teenagers. before morning basketball practice, he asked the members of his high school team to be his subjects. he measured each of their heart rates before and after a set of exercises. which change would most reduce the bias of his experimental design?

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Elias conducted an experiment about the effects of exercise on the heart rate of teenagers. before m...

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