财会经济>CFA特许金融分析师 > CFA考试（Level Ⅰ） > Study Session 3　Quantitative Methods Application
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单选题 编号：2690448
1. The sample of debt/equity ratios of 25 publicly traded U.S. banks as of fiscal year-end 2003 is an example of:
  • A.A point estimate
  • B.cross-sectional data
  • C.A stratified random sample

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