equations ========= .. toctree:: :maxdepth: 2 :caption: Contents: decision-cost.md error-of-binary-event-probability.md false-choices-per-correct-choice-compared-to-random.md getting-the-average-search-length-from-a-dataset-of-interrupted-searches.md multiple-variable-function-error-propagation.md standard-deviation-of-the-mean.md subtopic-tree-average-number-of-viewed-terms-per-search-evaluation.md