Topic: Unit 3: Inference for Categorical Data: Proportions

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

Evaluating a Published Study’s Statistical Conclusion

Large Sample Sizes and Tiny P-Values

Small Samples and Large P-Values

P-Values for One-Sided Versus Two-Sided Tests

Strength of Evidence from Different P-Values