Question: 15. Scientiss may design an experiment with a control group, which is a set of organisms or samples that do NOT reccive the treatment (the

15. Scientiss may design an experiment with a control group, which is a set of organisms or samples that do NOT reccive the treatment (the independent variable) that is being rested. Scientists can then compare normal changes in organisms or samples with those that might have occurred because of the treatment. The idea of a "control group" is not the same as a "controlled variable." Suppose a scientist is doing an experiment to determine the effect of a cancer drug on mice with lymphoma. a. What are some of the variables the scientist should control in the experiment? b. Describe the control group for this experiment

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