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← Mean of Sample Means - Intro to Descriptive Statistics

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Showing Revision 1 created 08/15/2016 by Udacity Robot.

  1. 如果我们将这些都相加的话 1+1.5+2+2.5…一直加到 4
  2. 得出样本均值的均值是 2.5 我们用大写的 M 表示