(Answered) Question exercise and heart rate a student project measured

Statistics

Question: Exercise and heart rate A student project measured the increase in the heart rates of fellow students when they stepped up and down for 3 minutes to the beat of a metronome. The step was either 5.75 or 11.5 inches high and the metronome beat was 14, 21, or 28 steps per minute. Thirty students took part in the experiment. Five of them stepped at each combination of height and speed.

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