How to Calculate Variance in OpenOffice. Variance is a statistical calculation that numerically describes the amount of variation in a data set. If values in a data set wildly fluctuate, variance ...

You can also use the formula above to calculate the variance in areas other than investments and trading, with some slight alterations. For instance, when calculating a sample variance to estimate ...

This study discusses the sample size requirement for the Welch test in the one-way fixed-effect analysis of variance with unknown and possibly unequal variances. The authors propose a formula of ...