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The formula for the variance in a population is

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The formula for the variance in a population is

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The formula for the variance in a population is

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Subject 6. Measures of Dispersion
ons in the sample. However, the absolute value is difficult to work with mathematically. The variance is a measure of how spread out a distribution is. It is computed as the average squared deviation of each number from its mean. <span>The formula for the variance in a population is where: μ = the mean N = the number of scores When the variance is computed in a sample, the statistic(m = the mean of the sample) can be used

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