Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...

For instance, when calculating a sample variance to estimate a population ... Variance measures the degree of spread in a data set from its mean value. It shows the amount of variation that ...

Calculating the variance for a data set can differ based on whether the set is the entire population or a sample of the population. The formula for calculating the variance of an entire population ...

Calculating data fluctuations-- also called variance -- is a multi-step process ... depending on whether your worksheet includes a sampling or entire set of data. Excel VARPS is appropriate ...

we'll start with our data set as a given. 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 ...

Below, we'll go through the simple process of calculating ... Financial variance also plays a role in improving the budget process in the future. Actual data can inform budgeting decisions much ...

To calculate beta for a stock using this method, you first need to understand the following terms: Variance (σ2): The spread between numbers in a specific data set. In finance, the variance is ...

we'll start with our data set as a given. 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 ...