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Variance - MaRDI portal

Variance

From MaRDI portal


Available identifiers

WikidataQ175199 ScholiaQ175199MaRDI QIDQ6673721


expectation of the squared deviation of a random variable from its mean


Example of samples from two populations with the same mean but different variances. The red population has mean 100 and variance 100 (SD=10) while the blue population has mean 100 and variance 2500 (SD=50) where SD stands for Standard Deviation.







https://en.wikipedia.org/wiki/Variance


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