You went a step too far here.Coefficience of variance (std dev / mean) * 100.Variance of the sample s216661displaystyle s2frac.2 8 Understand variance and standard deviation.

Next, subtract the mean from every data point, then square each data point.The smallest a variance gets is zero, but technically, it can be infinite with numbers in the millions or even billions and beyond.Did this article help you?

Back to Top The population variance is a type of parameter.The average of the squared differences from the mean, but all it really does is to give you a very general idea of the spread of your data.