One‐ and Two‐Sample Inference

The concept of pivotal variable in statistical inference. Small sample inference through the t‐test. One sample inference for means. Two‐sample inference for means. Application of the concepts of estimation and testing. Two sample inference for variances by means of the chi‐square and F‐distributions. Ingredients in sample size calculations. Links between normal, t, chi‐squared, and F‐distributions.