The variance takes the weighted sum of the squared difference between each observation and the sample mean. The purpose

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answerhappygod
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The variance takes the weighted sum of the squared difference between each observation and the sample mean. The purpose

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The variance takes the weighted sum of the squared difference
between each observation and the sample mean. The purpose of taking
squared difference is in order to
A. Make the calculation easier
B. Magnify the differences
C. avoid the cancellation of positive and negative
differences
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