Descriptive Statistics Mean login to view 2 more bullets Median login to view 5 more bullets Mode login to view 2 more bullets Types of Distributions Normal login to view 2 more bullets Bi-modal login to view 2 more bullets Skewed login to view 9 more bullets Characteristics of the Normal Distribution Defined entirely by two parameters Mean (µ) login to view 1 more bullet A certain percentage of all observations will always fall within +/- certain standard deviations of the mean login to view 3 more bullets