Topic: Tests for Means

Null and Alternative Hypotheses for a Mean

Large-Sample Robustness of the T Test

Interpreting Mean Change in Paired Studies

Incomplete Pairs in a Paired T Analysis

Hypotheses and Tails for a Paired T Test

Deriving the One-Sample T Statistic

Degrees of Freedom in a One-Sample T Test

Defining Differences in a Paired Study

Connecting One-Sample T Tests and Confidence Intervals

Confidence Intervals for Mean Paired Differences