# Valiance vs. Variance — What's the Difference?

## Definitions

#### Valiance➦

Possessing or exhibiting valor; brave
A valiant knight.
A valiant effort.

#### Variance➦

In probability theory and statistics, variance is the expectation of the squared deviation of a random variable from its mean. Variance is a measure of dispersion, meaning it is a measure of how far a set of numbers is spread out from their average value.

#### Valiance➦

The quality of being valiant; heroism, bravery or valour.

#### Variance➦

The fact or quality of being different, divergent, or inconsistent
Her light tone was at variance with her sudden trembling
The stylistic variances of classical dance

#### Valiance➦

The quality or state of being valiant; bravery; valor.

#### Variance➦

An official dispensation from a rule or regulation, typically a building regulation.

#### Valiance➦

The qualities of a hero or heroine; exceptional or heroic courage when facing danger (especially in battle);
He showed great heroism in battle
He received a medal for valor

#### Variance➦

The state or quality of being variant or variable; variation
Considerable variance in temperature across the region.

#### Variance➦

Difference or inconsistency

#### Variance➦

The state or fact of being in disagreement or in conflict
I am at variance with her over who should pay for the damage.

#### Variance➦

A discrepancy between two statements or documents, especially between the charge in a criminal indictment and the evidence presented.

#### Variance➦

An exception to the application of a usual rule, granted by an authority on the basis of hardship or practicality
A zoning variance.

#### Variance➦

(Statistics) The square of the standard deviation.

#### Variance➦

(Chemistry) The number of thermodynamic variables, such as temperature and pressure, required to specify a state of equilibrium of a system, given by the phase rule; the degrees of freedom of a system.

#### Variance➦

The act of varying or the state of being variable.

#### Variance➦

A difference between what is expected and what is observed; deviation.

#### Variance➦

The state of differing or being in conflict.

#### Variance➦

An official permit to do something that is ordinarily forbidden by regulations.

#### Variance➦

(law) A discrepancy between two legal documents.

#### Variance➦

(law) A departure from a cause of action originally in a complaint.

#### Variance➦

(statistics) The second central moment in probability.

#### Variance➦

The number of degrees of freedom in a system.

#### Variance➦

Covariance and contravariance generally.
Depending on the variance of the type constructor, the subtyping relation of the simple types may be either preserved, reversed, or ignored for the respective complex types.

#### Variance➦

The quality or state of being variant; change of condition; variation.

#### Variance➦

Difference that produces dispute or controversy; disagreement; dissension; discord; dispute; quarrel.
That which is the strength of their amity shall prove the immediate author of their variance.

#### Variance➦

A disagreement or difference between two parts of the same legal proceeding, which, to be effectual, ought to agree, - as between the writ and the declaration, or between the allegation and the proof.

#### Variance➦

The expected value of the square of the deviation from the mean of a randomly distributed variable; the second moment about the mean. This is also the square of the standard deviation.

#### Variance➦

An event that departs from expectations

#### Variance➦

Discord that splits a group

#### Variance➦

The second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value

#### Variance➦

A difference between conflicting facts or claims or opinions;
A growing divergence of opinion

#### Variance➦

The quality of being subject to variation

#### Variance➦

An activity that varies from a norm or standard;
Any variation in his routine was immediately reported