3: Probability Last updated Mar 27, 2022 Save as PDF 2.7: Measure the Spread of the Data 3.1: Terminology Page ID29572 ( \newcommand{\kernel}{\mathrm{null}\,}\) 3.1: Terminology3.2: Independent and Mutually Exclusive Events3.3: Two Basic Rules of Probability3.4: Contingency Tables3.5: Tree and Venn Diagrams3.6: Counting