The sum of squares of deviation is least if measure from__________?
Correct answer: A. Mean
- A. Mean
- B. Mode
- C. Median
- D. Variance
Explanation
The sum of squared deviations is minimized when deviations are measured from the arithmetic mean. This property distinguishes the mean from the median and mode; variance is itself a measure based on these deviations, not a central value.
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