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27 April, 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

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Answers (1)
  1. 27 April, 04:28
    0
    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.
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