Question: Experimental subjects are given a pill to test its effectiveness on reducing the duration of a cold. How should the control group be treated? Give

Experimental subjects are given a pill to test its effectiveness on reducing the duration of a cold. How should the control group be treated? Give the control group a pill that does not affect the duration of colds. Do nothing with the control group. Let the control group choose whether or not to take any pills. Give the control group two pills instead of one.When an experiment has a large sample size, and there is a large difference between the results in the experimental and control groups, how likely is it that the experimental results are statistically significant? very unlikely very likely somewhat likely unlikely

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