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 ...

Standard deviation is a statistical measurement that looks at how far individual points in a dataset are dispersed from the mean of that ... the case with the variance. Using the standard ...

while safer bets come with a lower standard deviation. Investors use variance to assess the risk or volatility associated with assets by comparing their performance within a portfolio to the mean.

Variance shows how far each return is from the average, or mean ... using the AVERAGE function. Step 3: Calculate the variance of the returns using the VAR function. Step 4: Calculate standard ...