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[CFA level 1模拟真题]Version 2 Questions-Q16

Q16 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.

 

答案和详解如下:

 

Q16   C    07Modular Level 1, Vol.1, pp.277-282           Study Session 2-7-e

Define, calculate, and interpret 1) a range and mean absolute deviation, and 2) a sample and a population variance and standard deviation The arithmetic sum of the deviations around the mean will always equal zero.

 a

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w

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thx.

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thanks

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c

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 c

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a

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a
mad?

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q

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