2008 CFA Level 1 － Sample 样题(1)－Q16 black, class

8586

16、The least accurate statement about measures of dispersion for a distribution is that the:

A. range provides no information about the shape of the data distribution.

B. mean absolute deviation will always be smaller than the standard deviation.

C. arithmetic average of the deviations around the mean will always be equal to one.

D. variance of a sample with 50 observations is computed by dividing the sum of the squared deviations from the mean by 49.

      

[此贴子已经被作者于2008-11-7 16:42:17编辑过]

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. 

[此贴子已经被作者于2008-5-17 18:25:54编辑过]

cxz0858

A

louzhuqued

t

amro

what's answer

zhangxie83

d

Riverview

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刀剑如梦

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gening

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盛夏的果实

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