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← More than 20 - Intro to Descriptive Statistics

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Showing Revision 1 created 08/14/2016 by Udacity Robot.

  1. 再来一道题 平均帖子得分超过 20 分的学员比例是多少?

  2. 这道题比上一道题更难些
  3. 提示下 z 表格会告诉我们低于某个值的比例
  4. 而不是大于某个值的比例 如果你明白这点
  5. 我会超级开心