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标题: [CFA模拟真题] 2006 CFA Level I -NO73 [打印本页]

作者: cfaedu    时间: 2006-11-22 10:54     标题: [CFA模拟真题] 每天一练:2006 CFA Level I -NO73

13If no other estimator of a given parameter has a sampling distribution with a smaller variance, the estimator used is best characterized as:


Select exactly 1 answers from the following:
A. accurate. B. efficient. C. unbiased. D. consistent.
答案和详解如下!
Feedback: Correct answer: B

Quantitative Methods for Investment Analysis, Richard A. DeFusco, Dennis W. McLeavey, Jerald E. Pinto, and David E. Runkle (CFA Institute, 2004), pp. 295?97

2006 Modular Level I, Vol. I, pp. 451-453

Study Session 3-11-g

identify and describe the desirable properties of an estimator

 

 

An unbiased estimator is efficient if no other unbiased estimator of the same parameter has a sampling distribution with smaller variance.

[此贴子已经被作者于2006-11-22 10:54:09编辑过]


作者: pwmho    时间: 2008-1-5 21:00

TY
作者: fionzheng    时间: 2008-4-16 11:29

d
作者: coolguy889    时间: 2008-5-15 21:33

[em01]
作者: robinlu    时间: 2008-5-20 15:24

记不清了,这个题目太像中国的考试了,故意为难人的吗


作者: Doreen396    时间: 2008-6-2 16:56

d
作者: zhoujun216    时间: 2008-6-6 08:59

b
作者: a8221963    时间: 2008-6-7 19:55     标题: ok

ok
作者: allen_wml    时间: 2008-6-16 10:50

dfdfd
作者: yingrid    时间: 2008-7-2 06:35

d
作者: tomcheng    时间: 2008-7-20 06:35

b
作者: zifeng17    时间: 2008-8-5 09:47

thanks


作者: elliderek    时间: 2008-9-8 11:52

b




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