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← Keyboards - Decision - Intro to Inferential Statistics

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Showing Revision 5 created 05/25/2016 by Udacity Robot.

  1. Since our t statistic is past this critical value, out here in the critical
  2. region, we'll reject the null. This means that participants made significantly
  3. fewer errors, using the QWERTY keyboard compared to the alphabetical keyboard.
  4. Since this was an experimental design, we can make causal statements. So we can
  5. say that they type of keyboard had a causal effect on the number of errors.