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  1. Dictionary
    variance
    /ˈvɛːrɪəns/

    noun

    • 1. the fact or quality of being different, divergent, or inconsistent: "her light tone was at variance with her sudden trembling"
    • 2. an official dispensation from a rule or regulation, typically a building regulation.

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    More definitions, origin and scrabble points

  2. www.investopedia.com › terms › vWhat Is Variance in Statistics? Definition, Formula, and Example

    Dec 19, 2023 · The term variance refers to a statistical measurement of the spread between numbers in a data set. More specifically, variance measures how far each number in the set is...

  3. dictionary.cambridge.org › dictionary › englishVARIANCE | English meaning - Cambridge Dictionary

    VARIANCE definition: 1. the fact that two or more things are different, or the amount or number by which they are…. Learn more.

  4. statisticsbyjim.com › basics › varianceVariance: Definition, Formulas & Calculations - Statistics by Jim

    Variance is a measure of variability in statistics. It assesses the average squared difference between data values and the mean. Unlike some other statistical measures of variability, it incorporates all data points in its calculations by contrasting each value to the mean.

  5. www.scribbr.com › statistics › varianceHow to Calculate Variance | Calculator, Analysis & Examples -...

    Jan 18, 2023 · The variance is a measure of variability. It is calculated by taking the average of squared deviations from the mean. Variance tells you the degree of spread in your data set. The more spread the data, the larger the variance is in relation to the mean.

  6. www.cuemath.com › data › varianceVariance - Definition, Formula, Examples, Properties

    Variance is a measure of dispersion that is used to check the spread of numbers in a given set of observations with respect to the mean. Understand variance using solved examples.

  7. en.wikipedia.org › wiki › VarianceVariance - Wikipedia

    In probability theory and statistics, variance is the expected value of the squared deviation from the mean of a random variable. The standard deviation (SD) is obtained as the square root of the variance. 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.

  8. www.math.net › varianceVariance - Math.net

    Variance is the average of the squared differences of a random variable from its mean. It is a statistical measurement of variability that indicates how far a set of numbers varies from the mean. A high variance tells us that the collected data has higher variability, and the data is generally further from the mean.

  9. brilliant.org › wiki › variance-definitionVariance | Brilliant Math & Science Wiki

    6 days ago · Variance is a statistic that is used to measure deviation in a probability distribution. Deviation is the tendency of outcomes to differ from the expected value. Studying variance allows one to quantify how much variability is in a probability distribution.

  10. www.merriam-webster.com › dictionary › varianceVariance Definition & Meaning - Merriam-Webster

    The meaning of VARIANCE is the fact, quality, or state of being variable or variant : difference, variation. How to use variance in a sentence. Synonym Discussion of Variance.

  11. www.statlect.com › fundamentals-of-probability › varianceVariance | Definition based on the expected value - Statlect

    Learn how variance is defined in probability theory by using the expected value. Understand the formula that defines variance.