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  1. Dictionary
    variability
    /ˌvɛːrɪəˈbɪlɪti/

    noun

    • 1. lack of consistency or fixed pattern; liability to vary or change: "a great deal of variability in quality"

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    More definitions, origin and scrabble points

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

    1 day 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. Probability distributions that have outcomes that vary wildly will have a large variance.

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  4. en.wikipedia.org › wiki › Normal_distributionNormal distribution - Wikipedia

    1 day ago · In probability theory and statistics, a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable. The general form of its probability density function is {\displaystyle f (x)= {\frac {1} {\sqrt {2\pi \sigma ^ {2}}}}e^ {- {\frac { (x-\mu )^ {2}} {2\sigma ^ {2}}}}\,.}

  5. pwskills.com › blog › descriptive-statisticsWhat is Descriptive Statistics: Types, Applications, and Examples

    3 days ago · Variability (Also Called Dispersion) Variability helps statisticians understand how spread out the responses are in a dataset. This aspect includes three measures: range, standard deviation, and variance. Range: To determine the range, find the difference between the highest and lowest values in the dataset.

  6. www.jmp.com › en_us › statistics-knowledge-portalOne-Way ANOVA | Introduction to Statistics - JMP

    1 day ago · One-way analysis of variance (ANOVA) is a statistical method for testing for differences in the means of three or more groups. Learn when to use one-way ANOVA, how to calculate it and how to interpret results.

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

    1 day ago · Biodiversity (or biological diversity) is the variety and variability of life on Earth. It can be measured on various levels. There is for example genetic variability, species diversity, ecosystem diversity and phylogenetic diversity. [1] . Diversity is not distributed evenly on Earth.

  8. stattrek.com › statistics › dictionaryStatistics dictionary - stattrek.com

    Easy-to-understand definitions for technical terms and acronyms used in statistics and probability. Includes links to relevant online resources.

  9. www.jmp.com › en_us › statistics-knowledge-portalRegression Model Assumptions | Introduction to Statistics | JMP

    4 days ago · We assume that the variability in the response doesn’t increase as the value of the predictor increases. This is the assumption of equal variance. We also assume that the observations are independent of one another.