One Proportion Z Intervals and Tests

Definition

This term refers to statistical methods used to estimate a population proportion or test hypotheses about it, based on a single sample. It involves calculating confidence intervals and conducting hypothesis tests using the standard normal distribution.

Related terms

Confidence Interval: A range of values that is likely to contain the true population parameter with a certain level of confidence.

Hypothesis Test: A statistical procedure used to make decisions about population parameters based on sample data.

Standard Normal Distribution: A symmetric bell-shaped curve with mean 0 and standard deviation 1, often used in hypothesis testing and constructing confidence intervals.