Question: (a)Is this an observational study or an experiment? Explain. (b)Explain the concept of confounding in the context of this study. Include an example of a

(a)Is this an observational study or an experiment? Explain. (b)Explain the concept of confounding in the context of this study. Include an example of a possible confounding variable. (e)If the mean running speed for those who wear Blast Off is statistically signicantly faster than the mean running speed for runners wearing other shoes, could one conclude that the faster running speed is caused by wearing Blast Off shoes? Explain

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