Locate the cells containing data for calculating variance. Make a note of the cell ranges. As an example, cells A1 through A100 would be referenced as A1:A100.

If you’re wondering how to find the variance in your data set, look no further. Here’s how to calculate variance in a snap with Pandas.

Financial variance also plays a role in improving the budget process in the future. Actual data can inform budgeting decisions much better than pure estimates, and although many items will differ ...

If the actual costs incurred to complete this work are $3,000 , the cost variance is $2,400 minus $3,000 , or -$600 . In other words, the project is $600 over budget after the first month.

How to Calculate and Use Budget Variance to Improve a Business By Motley Fool Staff – Jan 17, 2016 at 12:43AM ...

We'll calculate the historical monthly variance of the S&P 500 Total Return Index over a five-year period from August 2010 through July 2015 -- that's 60 observations (5 years x 12 months).

Learn how to calculate Value at Risk (VaR) to effectively assess financial risks in portfolios, using historical, variance-covariance, and Monte Carlo methods.

Variance, on the other hand, is a measure of how well the data is spread. It pays a lot of attention to training data points but performs poorly on data it has never seen before. So, which is better?

We'll calculate the historical monthly variance of the S&P 500 Total Return index over a five-year period from August 2010 through July 2015 -- that's 60 observations (5 years x 12 months).