Figuring out what the plot means

• Suppose you plot a set of results

  • As shown on the previous page
• The "x"s are the results of your observations

  • Or perhaps the responses from your team
  • For the duration of a particularly difficult activity
• What you want to know

  • Is the best line through the results
• That is

  • The measure of scatter distance
  • On either side of the "best line", or mean

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