Variance vs. Variability — What's the Difference?
Difference Between Variance and Variability
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Compare with Definitions
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.
Variability
Lack of consistency or fixed pattern; liability to vary or change
Seasonal variability in water levels
A great deal of variability in quality
Our results showed substantial variabilities in laboratory practices
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
Variability
The quality, state, or degree of being variable or changeable.
Variance
An official dispensation from a rule or regulation, typically a building regulation.
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Variability
The state or characteristic of being variable.
Variance
The state or quality of being variant or variable; variation
Considerable variance in temperature across the region.
Variability
The degree to which a thing is variable. In data or statistics this is often a measurement of distance from the mean or a description of data range.
Variance
Difference or inconsistency
Your behavior is at variance with your beliefs.
Variability
The quality or state of being variable; variableness.
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.
Variability
The power possessed by living organisms, both animal and vegetable, of adapting themselves to modifications or changes in their environment, thus possibly giving rise to ultimate variation of structure or function.
Variance
A discrepancy between two statements or documents, especially between the charge in a criminal indictment and the evidence presented.
Variability
The quality of being subject to variation
Variance
An exception to the application of a usual rule, granted by an authority on the basis of hardship or practicality
A zoning variance.
Variability
A quality of variability and lack of uniformity
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
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