5.2.1 Single Sample: Estimating 𝜇
5.2.2 Two Samples: Estimating 𝜇1 - 𝜇2
5.2.3 Paired Observations
5.2.4 Single Sample: Estimating 𝜎^2
5.2.5 Two Samples: Estimating 𝜎^2_1 / 𝜎^2_2