Mathematics
Mathematics, 02.08.2021 01:20, shelbybibb99

A researcher examined the effects of meditation on heart rate. In a sample of 50 people, she measured their heart rate before and after 20 minutes of meditation. What test should she use to see if the average heart rate changed from before to after
meditation?

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A researcher examined the effects of meditation on heart rate. In a sample of 50 people, she measure...

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