Measures of Central Tendency

A brief introduction to measures of central tendency. The mean, median, and mode are introduced and calculated for a simple example. The relationship between the mean and median for different shapes of distributions is then discussed. The guinea pig survival time data can be found in: Doksum, K. (1974). Empirical probability plots and statistical inference for nonlinear models in the two-sample case. Annals of Statistics, 2:267--277.