Acoach 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

1. Experiment

Step-by-step explanation:

Here 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.

Hence, this is an example of an experiment .

care to share were the trapezoid shown is ?

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step-by-step explanation:

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