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Statistics

Global Warming Hiatus?

During a December interview with NPR's Steve Inskeep, presidential candidate Ted Cruz turned the tables and asked the reporter a question.

"Let me ask you a question, Steve. Is there global warming, yes or no?"

"Absolutely, sure," Inskeep replied.

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The Monty Hall Problem

The television game show Let's Make a Deal first aired in 1963. Host Monty Hall would give contestants a chance to win a modest prize, then a chance to trade their prize for a better prize. In one scenario Hall presented the contestand with three doors. Behind one of the doors was a big prize, and behind the other two were Zonks, items of little or no value.

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Simpson's Paradox

Simpson's paradox is named after statistician Edward Simpson, who first described the effect in a 1951 paper titled The Interpretation of Interaction in Contingency Tables. Simpson described a scenario where the results of a scientific study appear to support one conclusion, but when the results are split to account for a particular variable, the results show a different conclusion.

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