12. The number of observations that can be chosen independently to calculate a sample variance is best described as the:
Select exactly 1 answers from the following:
A. sample size. B. degrees of freedom.
C. degrees of confidence. D. systematic sample size.
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. Runkel (CFA Institute, 2004), pp. 300-301 2006 Modular Level I, Vol. I, pp. 457Study Session 3-11-j calculate, explain, and interpret degrees of freedom
Degrees of freedom refer to the number of observations that can be chosen independently for the calculation of a sample variance.
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发表于 2006-11-21 11:36
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