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Variance Is a Measure of the Variability of Returns, and Since

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Variance is a measure of the variability of returns, and since it involves squaring the deviation of each actual return from the expected return, it is always larger than its square root, its standard deviation.


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A graphical representation that gives objects a three-dimensional appearance for more realistic visualization.

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A format in which audio data is stored on a computer, such as MP3, WAV, or AAC, differing in sound quality and file size.

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Windows Media Audio, a proprietary audio format developed by Microsoft.

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