财会经济>CFA特许金融分析师 > CFA考试（Level Ⅰ） > Study Session 3　Quantitative Methods Application
CFA考试（Level Ⅰ） - 相关题库
单选题 编号：2690452
1. An analyst who uses historical data that was not publicly available at the time period being studied will have a sample with:
  • A.look-ahead bias
  • B.time-period bias
  • C.Sample selection bias

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