## Inference for Proportions: Comparing Two Independent Samples

Reference: The calculations are the customary ones
based on the normal approximation to the
binomial distribution. See for example
*Hypothesis Testing: Categorical Data - Estimation of Sample Size and
Power for Comparing Two Binomial Proportions* in Bernard Rosner's
**Fundamentals of Biostatistics**.

Rollin Brant

Email me at: rollin@stat.ubc.ca