2015 | OriginalPaper | Buchkapitel

# 5. Statistical Inference for Two Proportions

## Abstract

_{0}that their ratio is 1 in the population. In making estimates, the statistician computes a confidence interval around the sample ratio to indicate the range of possibilities for the underlying population parameter that is consistent with the data. Methods for constructing confidence intervals are discussed in Section 5.3. We turn now to testing hypotheses.