Lissa's Measures Of Central Tendency

Monday, September 29, 2008
Mean
  • First order the data in ascending order.
  • Then add up all the data.
  • Then divide it by the number of pieces of data you have.














Median

  • First order the data in ascending order.
  • Then you look for the number in the middle.
  • If there are two numbers in the middle add them up and divide them by 2.




















Mode
  • First you order the data in ascending order.
  • Then you look at which numbers appears the most.












Ran
ge
  • First you order the data in ascending order.
  • Then subtract the smallest data from the largest data.











Here is a video of mmm:



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