Most of us have read or heard about polls on the presidential election. Often these polls are accompanied by a margin of error disclaimer. The statistical theory ...
Even if scientists design the perfect randomized trial, eliminate all measurement error and keep track of every participant, they need to account for chance. That's ...
It's Saturday morning and I just reread an inspiring story about an elderly man who lost his marbles -- one week at a time. Let me explain. This wise old man, a ham radio operator who goes by the ...
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