It is one of the four main measures of variability along with range, interquartile range (IQR) and standard deviation ... Calculating variance is easy using Python. Before diving into the Python ...

filadendron / Getty Images Standard deviation and variance are two basic mathematical concepts that have an important place in various parts of the financial sector, from accounting to economics ...

Standard deviation is a statistical measurement that looks at how far discrete points in a dataset are dispersed from the mean of that set. It is calculated as the square root of the variance.