Variance is a statistical measurement of the spread between numbers in a data set. It measures how far each number in the set is from the mean (average), and thus from every other number in the set.

Sahil discussed the significance of statistical moments—mean, variance, and skew—in financial modeling. Using dice as an analogy, Sahil illustrated how normal distribution methods inform retail ...

This post explores how the optimal allocations to six factors - size, value, momentum, liquidity, profitability, and ...

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Another good predictor of grades discernible in this data set is class size. The influence of class size on student learning ...

Abstract: An approximate technique is presented for the evaluation of the mean and variance of the power sums with log-normal components. Exact expressions for the moments with two components are ...

The first part treats methodological issues involved in testing for transitory return components. It demonstrates that variance ratios are among the most powerful tests for detecting mean reversion in ...

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Cherry Hill Mortgage remains a speculative investment with high risk but potential reward. Read more about recent earnings ...

The following is a summary of “Evaluating sensitization-associated, neuropathic-like symptoms and psychological factors in ...

Just because you have opinions doesn't mean you need to share them with everyone else. The post 40 Pieces Of Condescending ...