Definitions
 1) statistics A measure of how spread out data values are around the mean, defined as the square root of the variance.
 2) A statistic used as a measure of the dispersion or variation in a distribution or set of data, equal to the square root of the arithmetic mean of the squares of the deviations from the arithmetic mean.
 3) the square root of the variance

Definitions
 1) computing, programming covariance and contravariance generally
 2) The state of differing or being in conflict
 3) A difference between what is expected and what happens
 4) A discrepancy, especially between two legal documents
 5) The act of varying or the state of being variable
 6) statistics The second central moment in probability
 7) The state or quality of being variant or variable; variation.
 8) An exception to the application of a usual rule, granted by an authority on the basis of hardship or practicality.
 9) The state or fact of being in disagreement or in conflict.
 10) 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.
 11) Statistics The square of the standard deviation.
 12) A discrepancy between two statements or documents, especially between the charge in a criminal indictment and the evidence presented.
 13) Difference or inconsistency.
 14) (Law) 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.
 15) The quality or state of being variant; change of condition; variation.
 16) Difference that produces dispute or controversy; disagreement; dissension; discord; dispute; quarrel.
 17) (Statistics) 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.
 18) in disagreement; in a state of dissension or controversy; at enmity.
 19) discord that splits a group
 20) the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value
 21) an activity that varies from a norm or standard
 22) the quality of being subject to variation
 23) a difference between conflicting facts or claims or opinions
 24) an official dispensation to act contrary to a rule or regulation (typically a building regulation)
 25) an event that departs from expectations
 26) In a state of controversy or dissension; in a state of opposition or enmity.
 27) Variableness; inconstancy.
 28) The state of being or the act of becoming variant; alteration; variation; change; difference.
 29) Difference that produces disagreement or controversy; dispute; dissension; discord.
 30) Synonyms and Disagreement, etc. See difference.
 31) Between the form of the writ or process by which the action was commenced and the form of the declaration or complaint.
 32) In law, a discrepancy: Between pleadings and proof, as where a complaint mentions a wrong date, or the facts prove to be different from what was alleged.
 33) In physical chemistry, that property of a chemical system which is expressed by the equation V = c + 2 — φ, where V is the variance, c the number of independent components, and φ the number of phases in which the system may exist. Systems are said to be invariant, univariant, bivariant, multivariant, etc., according to the value of V.


Examples
 1) The usual measure of this spread is the standard deviation or variance.
 2) The standard statistical measures of spread are variance and standard deviation.
 3) This idealistic concept is at variance with reality.
 4) Our first step was to take a player's performance and measure the variance.
 5) One is the average or "expected" return; the other is the variance or standard deviation.
 6) It involves no skill, a high variance of returns and a negative expected value: you can expect not to recoup the cost of the ticket.
 7) Perhaps the matter in variance is a secret, not fit to be divulged to any, much less to be brought upon the stage before the country; and therefore end it privately, that it may not be discovered.
 8) Looking at the bottom graph, it appears the variance is a bit less than 5%.
 9) Another factor could be the difference in variance in talents within the genders.
 10) The Planning Board can not do that, any variance from the rules would have to come through the ZBA, but would probably be hard to get.
 11) The King County Health Department recently notified restaurants that the sous vide process — cooking vacuumsealed food in water baths at low, preciselycontrolled temperatures — requires a variance from the health department, as well as an approvedHazard Analysis and Critical Control Points (HACCP) plan, a detailed food safety plan more commonly seen in largescale or industrial operations.
 12) Everywhere homosexuality and gender variance is being discriminated against; in more that 80 countries in the world, same sex relationships are criminalised and in 7 of them, death penalty can be enforced.
 13) The hypothesis would assert that substantial local variance is deliberate.
 14) If an exception or variance is needed, then the rules need changing.
 15) And you don't have to assume any large difference in variance between the male and female population's abilities.
 16) ‘Often Bollywood heroes are larger than life and their leadership qualities are totally at variance with reality.’
 17) ‘In fact, the conclusion of our study is at variance with their assertion.’
 18) ‘But it turned out worse than that: the 200 submissions were later judged to be totally at variance with the findings of the RAF's own Board of Inquiry into the accident.’
 19) ‘‘Thus I'll be supporting him even though that's at variance with decisions I've taken in the past,’ he added.’
 20) ‘The findings are at variance with recent preliminary figures from the National Educational Welfare Board.’
 21) ‘As you point out, it's so obvious at variance with the truth.’
 22) ‘His views are quite at variance with those of Prime Minister Howard on important aspects of foreign policy and Australia's place in the world.’
 23) ‘And the conclusions expressed seem, well, slightly at variance with Grant's synopsis.’
 24) ‘Mr Atkinson said there was a well defined process for members who had other interests which might be at variance with their role on the board.’
 25) ‘He said such an approach was at variance with established legal principles with regard to fair procedure.’
 26) ‘The public debate was misinformed and very much at variance with the position set out by the CEO.’
 27) ‘Yet nothing could be more at variance with our educational heritage.’
 28) ‘This is completely at variance with what the political system should be all about.’
 29) ‘The story told through the video is completely at variance with the mood of the song.’
 30) ‘As is typical of Edmonds's output, these songs work because he is smart enough to give them stylistic variance from other tracks.’
 31) ‘Similarly, there is wide variance in study populations and control groups, followup periods, and statistical analysis.’
 32) ‘Mitchell's failure to name those who paid for a private opinion poll during the election campaign appeared at variance with his public pleas for openness and accountability.’
 33) ‘In short, they are legal attributes of the Crown which are significantly at variance with those enjoyed by private persons.’
 34) ‘When a health authority is made aware of clinical activity at variance with best practice in the private sector, it is still duty bound to investigate and act.’
 35) ‘The administration's use of military power was nonetheless limited: the rhetoric and the perception were at variance with the reality.’
 36) ‘The figures were at variance with the Irish Hospitality Industry Alliance, which said up to 65,000 jobs would be lost if the blanket ban was introduced.’
 37) ‘Clearly at variance with his boss, he can see no basis on which Britain should join the euro.’
 38) ‘Last but not least, try not to be at variance with anyone.’
 39) ‘In finance, most of the measures we use come straight from statistics  standard deviation, expected value, variance.’
 40) ‘The method allowed him to investigate the independence of the sample mean and sample variance in certain cases.’
 41) ‘A statistical test for significance of the regression coefficient requires its variance.’
 42) ‘Common statistical methods, including chi square, analysis of variance, and multiple regression were used to analyze the data.’
 43) ‘Random effects are typically assumed to follow normal distributions with zero mean and unknown variances, termed ‘variance components.’’
 44) ‘It happens when a newspaper needs something from government officials  a zoning variance, a broadcast license renewal.’
 45) ‘It needed variances because the building codes were set up for either residential or hotels, not both.’
 46) ‘In New York's Chrysler Building, a code variance was required from the fire department to locate the control panel in a room off the lobby rather than beside the elevators.’
 47) ‘Notwithstanding his opposition, the Committee of Adjustments approved the variance on April 19, 1995.’
