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Keep in mind what an independent variable is. What are some variables that can affect a person’s heart rate? Choose one variable that you would like to design an experiment for. State your hypothesis of how the independent variable might affect heart rate. Please be specific about what the independent variable is.

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fieryanswererft

Here the experiment is on heart rate of a person

Controlled Variable:

  • Time

Explanation:

  • Both shall workout for the same time.
  • Measure their heart rate and see who's heart rate is higher.

Independent Variable:

  • Age

Explanation:

  • Age is different for everyone and independent.
  • Make them workout for the similar amount of time then measure their heart rate.
  • Older person will have greater heart rate.

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  • The person with less heartbeat means he has a great fitness.
  • The person with greater heartbeat means he has a bad fitness.

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