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← t-Statistic - Intro to Inferential Statistics

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Showing Revision 8 created 05/25/2016 by Udacity Robot.

  1. The correct answer is negative 2.5. Call the formula for the t statistic x bar
  2. minus mu, divided by the standard error of the mean. So we have 126 minus 151
  3. divided by 10, gives us negative 25 divided by 10, equals negative 2.5.