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  1. What Is Variance in Statistics? Definition, Formula, and Example

    Jun 17, 2025 · Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a portfolio’s asset allocation.

  2. How to Calculate Variance | Calculator, Analysis & Examples

    Jan 18, 2023 · How to Calculate Variance | Calculator, Analysis & Examples Published on January 18, 2023 by Pritha Bhandari. Revised on June 21, 2023. The variance is a measure of …

  3. Variance - GeeksforGeeks

    Nov 4, 2025 · Variance for Population Variance for Sample Population Variance Population variance is used to find the spread of the given population. The population is defined as a …

  4. Variance - Definition, Formula, Examples, Properties - Cuemath

    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.

  5. BYJU'S Online learning Programs For K3, K10, K12, NEET, JEE ...

    Variance is the expected value of the squared variation of a random variable from its mean value, in probability and statistics. Informally, variance estimates how far a set of numbers (random) …

  6. Variance: Definition, Formulas & Calculations - Statistics by Jim

    Variance is a measure of variability in statistics that assesses the average squared difference between data values and the mean.

  7. Variance | Brilliant Math & Science Wiki

    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 …

  8. What is Variance and How to Calculate it? - PM Study Circle

    Aug 8, 2025 · Variance is a statistical measure used to quantify the dispersion of numbers within a dataset. It indicates how far each value deviates from the mean and one another. Variance is …