Chapter 4 · Sampling · Slide 118/274
Dewey Defeats Truman
1948: The Chicago Daily Tribune announces the wrong election result. President Harry Truman beats Thomas Dewey — against all polls. Reason: a biased…
Chapter 4 · Sampling
Why Sampling Matters
The World's Most Famous Headline Error
Dewey Defeats Truman
1948: The Chicago Daily Tribune announces the wrong election result. President Harry Truman beats Thomas Dewey — against all polls.
Reason: a biased, inaccurate opinion poll.
QUESTIONSTAR · Dr. Paul Marx
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