The Wisconsin legislature is considering a mandatory motorcycle helmet law. What legislators don’t know is whether the law would encourage more people to use helmets. Senator I. C. Probability tells you that Minnesota has a law similar to the one that Wisconsin is considering. He would like you to compare the use of motorcycle helmets in Minnesota and Wisconsin. A survey is taken in both states, resulting in the statistics presented below. Present a hypothesis and a null hypothesis, and test them. Present your conclusion in plain English.

  • CreatedNovember 11, 2015
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