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aev [14]
3 years ago
14

Music may help people relax. John got two groups of people together. He took everybody's pulse of blood pressure. The one group

to listen to soothing music while other group sat in silence. After the song was over, he measured everyone's pulse and blood pressure.
What is the independent variable?
What is the dependent variable?
What are the constants or control variables?
Mathematics
1 answer:
aivan3 [116]3 years ago
5 0
Independent: Music or silence

Dependent: Pulse and blood pressure

Constants: Similar rooms, similar temperature, similar heart health, same time in areas, same kind of environment, etc.
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<u>Pre-Algebra I</u>

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