Two-Sample Z-Intervals

Definition

Two-Sample Z-Intervals are used to estimate the difference between two population means when we have data from two independent samples. It helps us determine a range of values within which the true difference between the means is likely to fall.

Related terms

Confidence Interval: A confidence interval is an estimate of a population parameter that provides a range of plausible values along with a level of confidence about how accurate the estimate is.

Two-Sample T-Test: A statistical test used to compare the means of two independent groups to determine if they are significantly different from each other.

Hypothesis Testing: Hypothesis testing is a statistical method used to make decisions or draw conclusions about populations based on sample data.