15．A mutual fund manager wants to create a fund based on a high-grade corporate bond index. She first distinguishes between utility bonds and industrial bonds; she then, for each segment, defines maturity intervals of less than 5 years, 5 to 10 years, and greater than 10 years. For each segment and maturity level, she classifies the bonds as callable or non-callable. For the manager's sample, which of the following best describes the:
| sampling approach? | number of sampling cells? | A | Simple random sample | 3 | B | Simple random sample | 12 | C | Stratified random sample | 3 | D | Stratified random sample | 12 |
Select exactly 1 answers from the following: A. B. C. D.
答案和详解如下！
Feedback: Correct answer: D Quantitative Methods for Investment Analysis, Richard A. DeFusco, Dennis W. McLeavey, Jerald E. Pinto, and David E. Runkle (CFA Institute, 2004), pp. 286?89 2006 Modular Level I, Vol. I, pp. 442-445 Study Session 3-11-b distinguish between simple random and stratified random sampling
The mutual fund manager is using a stratified random sampling approach with 12 cells: 2 x 3 x 2 = 12 sampling cells.
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发表于 2006-11-22 10:56
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