The variance of (x) is given by a. (overline{x^{2}}) b. (left(overline{x^{2}} ight)-(bar{x})^{2}) c. ((bar{x})^{2})
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The variance of \(x\) is given by
a. \(\overline{x^{2}}\)
b. \(\left(\overline{x^{2}}\right)-(\bar{x})^{2}\)
c. \((\bar{x})^{2}\)
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