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Mean, Median, and Mode (Quantified Self Quick Tip)
Mean, Median, and Mode (Quantified Self Quick Tip)
Mean, Median, and Mode (Quantified Self Quick Tip)
Mean, Median, and Mode (Quantified Self Quick Tip)
Mean, Median, and Mode (Quantified Self Quick Tip)
Mean, Median, and Mode (Quantified Self Quick Tip)
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Mean, Median, and Mode (Quantified Self Quick Tip)

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  • 1. Basic Statistics:Mean, Median, ModeQuick Tip #2 fromQuantified Self Toronto (QuantifiedSelf.ca)Sacha Chua
  • 2. What’s “typical?”
  • 3. (Arithmetic) mean: the averageAdd all the numbers up and divide by thenumber of observations you have.Ex: average of 1, 2, 6 = 3In spreadsheets: =AVERAGE(…)Don’t use if there are extremes
  • 4. Median: the middleSort the numbers and pick the middle oneIf there’s an even number of data points, get theaverage of the two closest to the middleEx:Median of 1, 3, 100 is 3Median of 1, 3, 4, 5 is 3.5=MEDIAN(…)Better at ignoring extremes than the average is
  • 5. Mode: the most frequentFind the most frequent data valueMode of 1, 3, 3, 7, 7, 7, 10 is 7Good for seeing popularity=MODE(…)
  • 6. Have fun analyzing!Slides available atquantifiedself.caSacha Chua (sacha@sachachua.com)QuantifiedAwesome.com

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