A coach wants to see if drinking water during a race improves times. To test this, he has his runners run around a track for 10 miles each practice, and lets half of them drink during the run, and half do not, varying the halves each day, for a 2 week period. This is an example of what kind of statistical study?

1. Experiment

2. Observational Study

3. Survey

Question

Mathematics

Virginia Thompson

27 August, 03:16

A coach wants to see if drinking water during a race improves times. To test this, he has his runners run around a track for 10 miles each practice, and lets half of them drink during the run, and half do not, varying the halves each day, for a 2 week period. This is an example of what kind of statistical study?

1. Experiment

2. Observational Study

3. Survey

+4

Answers (1)

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Nelson Wood · Answer 1

This is an experiment. The coach has two groups, one control and one not, and independent) (run length) and dependent (water) variables. May I add that varying the groups is a smart move because it reduces the risk of injury to his players.