what is the best way to measure variability? what is normalized mean and variance difference between standardized standardization, normalization and interquartile range what is the difference between variability and standardization how to compare variance between two data sets what is the difference between standard and interquartile range why is variability a variable what is the difference between variability and standardization? why do I have to standardize for the variance why is variance used vs standard deviation which is better the coefficient of variability or variance? which is greater coefficient or variance of the variability which range is more variability ivvv how do you compare variables in two data sets how do two variables compare how to compare variation from two data sets how to compare variability of two large data sets why do we need to test variability how to compare variability two data sets how to compare variability in two data set