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Why is it important to have a controlled experiment

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By the end of the day you know how much each group ate, abd you compare it with the control.In convlution,control is important because without it you'd have no way to understand the results after and experiment happens.
User Rzskhr
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It is important to have a control group in your experiment so you are able to compare your actual results to the control group
User Alp Altunel
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