A characteristic of the mean is that $\Sigma ( X - \bar { X } )$ is a minimum but greater than 0.

Name: A characteristic of the mean is that $\Sigma ( X - \bar { X } )$ is a minimum but greater than 0.
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Quizplus · Accepted Answer

$\Sigma ( X - \bar { X } ) = 0$, because the sum of the deviations of the scores from their mean is always zero. This property is used to prove that the mean is the measure of central tendency that minimizes the sum of squared deviations.

A Characteristic of the Mean Is That Σ(X−Xˉ)\Sigma ( X - \bar { X } )Σ(X−Xˉ)

A Characteristic of the Mean Is That $\Sigma ( X - \bar { X } )$