noun. a gauging of the spread, or dispersion, of scores within a sample, whereby a small variance implies very similar scores, all near the sample mean, and a large variance implies more scores at a larger distance from the mean and potentially spread over a bigger range.

VARIANCE: "Variance is often referred to as the index of variability."
Cite this page: N., Pam M.S., "VARIANCE," in, April 29, 2013, (accessed September 19, 2021).