MDM4U Measures of Central Tendency

Well, it’s the second day of class and I’m behind on the class blog. Sorry, folks. Been a busy week for some reason :)

Today we talked about mean, median, and mode, the three usual measures of central tendency. We sometimes call them the “averages” for a data set. We used the Chromebooks to learn some spreadsheet basics.

Tomorrow morning we’ll learn about:

  • weighted mean
  • sigma notation
  • measures of spread

And a good time will be had by all. See you tomorrow!


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