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Design experiments for the following statistical questions. If it would be unethical to conduct such an experiment, state why.

  1. “Does listening to classical music during a math test improve scores?”

    Get a large group of people and randomly assign them to two groups—one that will take a set math test while listening to classical music, the other will take the test while listening to no music. The test scores would then be compared.

  2. “Do seat belts save lives in car crashes?”

  3. “Does Vitamin C help prevent colds?”