Variance is a statistical calculation that numerically describes the amount of variation in a data set. If values in a data set wildly fluctuate, variance would be high and predictions based on the ...

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Stock's historical variance measures its return stability over time. Higher variance indicates greater return unpredictability and risk. Calculate variance using Excel to simplify the process for ...

Journal of the Royal Statistical Society. Series C (Applied Statistics) The authors obtain explicit formulae for all cases when two values are missing, formulae for some other specific cases, and a ...