1Cademy - In the mathematical formula for the mean ($$M = \Sigma X / N$$), the Greek letter $$\Sigma$$ (sigma) indicates the ____ across all values of the variable $$X$$.

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Formula for the Mean

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In the mathematical formula for the mean ( $M = \Sigma X / N$ ), the Greek letter $\Sigma$ (sigma) indicates the ____ across all values of the variable $X$ .

Updated 2026-05-04

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