Mean, Median, and Mode (Quantified Self Quick Tip)
Upcoming SlideShare
Loading in...5
×

Like this? Share it with your network

Share

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

  • 15,681 views
Uploaded on

 

  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Be the first to comment
No Downloads

Views

Total Views
15,681
On Slideshare
1,461
From Embeds
14,220
Number of Embeds
11

Actions

Shares
Downloads
7
Comments
0
Likes
1

Embeds 14,220

http://blog.memoto.com 13,550
http://blog.getnarrative.com 515
http://sachachua.com 94
http://quantifiedself.ca 38
http://translate.googleusercontent.com 13
https://www.google.com 5
https://www.google.es 1
http://www.wallsofthecity.net 1
http://131.253.14.98 1
http://sn129w.snt129.mail.live.com 1
http://newsblur.com 1

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
    No notes for slide

Transcript

  • 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