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Central Tendencymedium
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For a set of data with values {x1,x2,...,xn}\{x_1, x_2, ..., x_n\}{x1​,x2​,...,xn​}, what is the sum of the deviations from the mean ∑i=1n(xi−xˉ)\sum_{i=1}^{n} (x_i - \bar{x})∑i=1n​(xi​−xˉ)?