Topic: Two-proportion confidence intervals

Common Errors With Two-Proportion Intervals

Two Independent Samples Versus Paired Data

Confidence Intervals for Differences in Experiments

Constructing a Two-Proportion z-Interval by Hand

Two-Sample Independence Conditions for Proportions

Large Counts for Each Group in Two-Proportion Intervals

Standard Error for a Difference in Proportions

Intervals Entirely Above or Below Zero

Choosing Which Group Is Group 1

Margin of Error for a Difference in Proportions