When Computing the Variance, Why Do We Square the Deviations

question 20

Multiple Choice

When computing the variance, why do we square the deviations from the mean?

• A)To return the units of measure to their original form
• B)To compensate for the fact that the number of degrees of freedom is different from N
• C)To transform the raw scores into squared scores
• D)To compensate for the fact deviations about the mean always sum to zero

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