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← t-Statistic - Intro to Inferential Statistics

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Showing Revision 1 created 08/22/2016 by Udacity Robot.

  1. t 统计量是观察的差异 x 拔减去 y 拔
  2. 再减去预期差异 0 除以标准误差 2.98
  3. 结果约为 -1.34