Standard Deviation What do you want to do? How many variables? What level of data? Central tendency Describe Median Make inferences Univariate Bivariate Multivariate Nominal Ordinal Interval/ Ratio Central tendency Mode Central tendency Mean Dispersion Dispersion Dispersion Variance, Standard deviation Average, Absolute deviation Range, Index of dispersion 16304_CH05_Walker.indd 120 8/2/12 […]