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). Here's ...

Financial variance is the difference between budgeted and actual spending. Positive variance means spending less, negative indicates overspending. Regular monitoring reduces surprises and improves ...

Special Considerations Variability in Investing . One measure of reward-to-variability is the Sharpe ratio, which measures the excess return or risk premium per unit of risk for an asset.

Variance is a measurement of the spread between numbers in a data set.The variance measures how far each number in the set is from the mean.You can use Microsoft Excel to calculate the variance of ...

To calculate your sales volume profit variance, plug those numbers into the equation, like this: $14.99-$164.89; This formula shows you are $164.89 in the hole on Thai curry kit sales.

Finding variance using Pandas. Although we can write a function to calculate variance in less than 10 lines of code, there is an even easier way to find variance.

Doctors can use EKGs to measure the variation in the time between heartbeats in a specific time period. This is an individual’s heart rate variability. This can be a period of 5 minutes ...

Stress can profoundly impact not only your fitness but also your well-being. Find out how Garmin measures stress and whether it's accurate enough to be useful.

You're calculating historical variance. What is your "history" -- i.e., what is the time period for which you want to calculate the variance: 30 days, six months, 30 years, and so on?