Biased Infographics

Occasionally, Stephen Colbert gets statistical and mathy. Here's a recent example:

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Just because a specific company conducted a poll, does that automatically mean that their results are statistically untrustworthy?

How survey questions be written in a biased way?
Check out this Survey Bias Video from Learner.org

How can sampling methods (who you are surveying) bias your results?
Learn about sampling methods and survey sampling bias from StatTrek.com.