Concluding comments on hypothesis tests for categorical data

6 Concluding comments on hypothesis tests for categorical data 

All of the methods described in this chapter are applicable to data that are in the form of binary  

What constitutes compelling evidence of a beneficial treatment effect  

Consider a pharmaceutical company that has just completed a confirmatory efficacy study. What are the implications for the company of committing a type I error What are the implications for the company of committing a type II error  

The equality of two proportions is being tested with the null hypothesis, Hq. p p - Ppy cEBO = 0- Given that this is a two-sided test, what is the p value that corresponds to the following values of the / approximation test statistic  

---