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How to mislead with graphs 7’6” 5’2.5” How tall is Yao?

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Presentation on theme: "How to mislead with graphs 7’6” 5’2.5” How tall is Yao?"— Presentation transcript:

1 How to mislead with graphs 7’6” 5’2.5” How tall is Yao?

2 How to mislead with graphs https://callingbullshit.o rg/tools/tools_mislead ing_axes.html

3 How to mislead with graphs Housing prices have tripled over the last year?!?

4 How to mislead with graphs Housing prices have tripled over the last year?!?

5 How to mislead with graphs Gee-whiz! Oatmeal cuts your cholesterol by 75%!

6 How to mislead with graphs

7 Oh, FOX news…

8 And this monstrosity…

9 Oh, FOX news… …so if you live with your Mom, Dad, Brother, and Cousin, and your cousin was (temporarily) on some sort of welfare program, that counted against you and everyone else in your household! Lol.

10

11 Oh, FOX news…

12 This one is designed to show how unemployment has been going up under the Obama admin. Note that the last point has been plotted incorrectly…

13

14 Examples with Excel

15 Use a short and fat bar if you want to minimize differences…

16 Use a tall and skinny bar if you want to maximize differences…

17 Or why not just scale it without the bottom part of the y-axis? Chop off the “feet”

18 If I’m Mr. Jones… …I’m deliberately choosing a tall and skinny bar AND chopping off the bottom of the axis.

19 From the Rachel Maddow show last spring… go to 3:00 of the clip herehere number of ads in Florida run by Gingrich and Romney

20 Pie Chart?

21 We Love Horses! pictographs...

22 2D images You want to indicate a 3:1 ratio, but then you use a 2D picture… Something 3x as tall ends up being 3x as wide too… The human eye responds to “space” taken up by the image… tripling the picture implies 9x importance!!

23 How to mislead with graphs twice the sales, but HOVA’s got 4X THE AREA of Nickleback

24 How to mislead with graphs 2D, yes. But there’s implied VOLUME here too…

25 How to mislead with graphs “The use of a superfluous 3 rd dimension, which does not contain information, is strongly discouraged, as it may confuse the reader.”

26 How to mislead with graphs

27 **sighs in math

28 More Examples How to misrepresent data: Jon Oliver on Miss America Pagent

29 More Examples http://www.statisticshowto.com/misleading-graphs/

30 Reaganomics Tax Reduction Legislation televised address from the Oval Office, July 27, 1981

31 $999 $1000 $1001 $1003 $1002 $1004 $1005 “THEIR” bill is the Democratic plan “OUR” bill is the new Republican plan “YOUR TAXES” makes it nice and personal

32 Where does the line go?


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