Misleading Graphs. Know the dirty tricks so you won’t be deceived. There’s an entire blog!. www.forbes.com/sites/naomirobbins She even had a “Bad Graph Contest” http://www.forbes.com/sites/naomirobbins/2012/05/30/winner-of-the-bad-graph-contest-announced-2/ . Manipulate the Vertical Axis.
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Know the dirty tricks so you won’t be deceived
Vertical axis chopped
Vertical axis extended
Everybody seems shorter
Tax the rich, spread the poverty
Chopped off some years
Choose a beginning year to make it look like there’s been astounding growth.
Or to make it look like there’s been little growth.
Stretch or compress
Make slopes (rates of change) look steeper (compress the axis) or more gradual (stretch the axis)