8586

Correct answer = C

"Statistical Concepts and Market Returns," Richard A. Defusco, Dennis W. McLeavey, Jerald E. Pinto, and David E. Runkel
2008 Modular Level I, Vol. 1, pp. 279-284
Study Session 2-7-f
define, calculate, and interpret 1) a range and mean absolute deviation, and 2) the variance and standard deviation of a population and of a sample
The arithmetic sum of the deviations around the mean will always equal zero. 

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