# Question: Several times in this chapter I have drawn a parallel

Several times in this chapter I have drawn a parallel between hypothesis testing and our judicial system. How would you describe the workings of our judicial system in terms of Type I and Type II errors and in terms of power?

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Using the example in Exercise 8.2, describe what we mean by the rejection region and the critical value. One way to get around the problem you see in Exercise 9.11 would be to convert the incidence of Down syndrome to ranked data. Replot the data using ranked incidence and calculate the correlation. Is this a Spearmanâ€™s ...Plot and calculate the correlation for the relationship between ADDSC and GPA for the data in Appendix D. Is this relationship significant? David Lane at Rice University has an interesting example of a study involving correlation. This can be found at http://www.ruf.rice.edu/~lane/case_studies/physical_strength/index.html. Work through this example and draw your ...Make up a set of five data points (pairs of scores) that have an intercept of 0 and a slope of 1. (There are several ways to solve this problem, so think about it a bit.)Post your question