what is standard deviation in statistics what is standard deviation vs. median what is a standard deviation in statistics do you have to do the same to get a standard deviation how is median measured when are normal deviations, medians, and normal deviations the same can standard deviation a time series data be calculated the same as a time series how are standard deviations compared to medians is standard deviation correlated what is standard deviation for time series statistics what is standard deviation for time series what is sd and mean can standard deviation be correlated what is standard deviation and sd for time series data is median and mean the same how is sd calculated do standard deviations have to be calculated is standard deviation and variance same is median the same as mean do standard deviations get computed the same for a time series