2 Prop Z Interval

Definition

The "2 Prop Z Interval" is a confidence interval used for comparing two proportions. It estimates the difference between two population proportions based on sample data.

Related terms

Confidence Interval: An interval estimate calculated from sample data that provides a range of plausible values for an unknown population parameter.

Proportion: A measure of how often an event occurs within a population expressed as a fraction or percentage.

Margin of Error: The maximum likely difference between an estimated population parameter and its true value due to sampling variability.