2 Sample T Interval

Definition

A 2 Sample T Interval is an interval estimate for comparing two means from independent samples. It provides information about how different or similar two populations are based on their sample means.

Analogy

Think about comparing two sports teams' average scores over multiple games. A 2 Sample T Interval would give you an interval estimate for how much difference there might be between their mean scores, helping you determine if one team consistently outperforms another.

Related terms

Independent Samples: Independent samples refer to two groups that are not related or dependent on each other in any way.

Hypothesis Testing: Hypothesis testing involves making decisions about population parameters based on sample data and statistical analysis.

P-value: The p-value measures the strength of evidence against a null hypothesis in hypothesis testing. It helps determine whether observed differences between groups are statistically significant.