Building on what we have learned recently about power of hypothesis tests, we are going to take a look at the power of the chi-squared

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Building on what we have learned recently about power of hypothesis tests, we are going to take a look at the power of the chi-squared test for association between two binary variables. Following some of the examples we have seen, we'll generically call the two variables exposure and disease. To start, your group should simulate a data table based on n = 100 individuals, where each individual has the following probabilities of falling into each cell. Exposure Y N Disease Y 0.15 0.10 N 0.45 0.30