variance
//ˈvɛəriəns//
Noun
The fact or quality of being different, divergent, or inconsistent; a difference or discrepancy between two or more things.
There is a significant variance between the two reports.
In statistics, a measure of how far a set of numbers are spread out from their average value, calculated as the average of the squared differences from the mean.
The variance of the test scores indicates how much the students' performances differed from the average.
A disagreement or dispute between people; a state of discord or conflict.
The two parties were at variance over the terms of the contract.
In law, an official permission to depart from a zoning regulation or building code requirement.
The developer applied for a variance to build a taller structure than the zoning laws allowed.