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Mei wants to study whether heart rate increases more during certain exercises than during others. She designs an experiment to test the heart rates of classmates in the morning and in the evening for three days, immediately after doing jumping jacks, doing push-ups, or running in place. What is the dependent variable in this experiment?

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emmamac0826
The dependent variable would be the heart rates of her classmates.

The dependent variable in the experiment given above is THE HEART RATE.

In every experimental set up, there are usually two major type of variable, these are dependent and independent variables. Dependent variable refers to those variable that their values depend on the value of others while independent variable refers to those variable whose values do not depend on any other variable. In the question given above, the heart rate is the dependent variable because its value depend on the type of exercise that a participant undergo.

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