This sixth unit, Elementary Probability & Statistics, covers Definition of Statistics, Measures of Central Tendency, Measures of Dispersion - The Range and Standard Deviation, The Bell Curve, Definition of Probability, Computing Probabilities, Probability of E or F; E and F, Counting Methods, More Counting Methods, The Multiplication Principle, Permutations, Permutations of k out of n Objects, and Combinations of k out of n objects.