11. An analyst creates a nominal scale to categorize the investment style of a sample of managers. The most appropriate measure of central tendency for the analyst to use is the:
Select exactly 1 answers from the following:
A. mean. B. mode. C. median. D. weighted mean.
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. 89, 110?11 2006 Modular Level I, Vol. I, pp. 266, 286-287 Study Session 2-8-c, h explain the differences among the types of measurement scales; define, calculate, and interpret measures of central tendency, including the population mean, sample mean, arithmetic mean, weighted average or mean (including a portfolio return viewed as a weighted mean), geometric mean, harmonic mean, median, and mode
A nominal scale uses numbers only to categorize a particular attribute such as investment style or asset type; the only measure of central tendency that can be used is the mode.
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发表于 2006-11-21 11:35
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