Is opinion polling broken?
Following some high profile slip-ups in recent US elections, we ask whether it鈥檚 time to call time on polling.
The opinion polling industry鈥檚 reputation has taken a battering in recent years, as high profile slip-ups in the US presidential election exposed frailties. So should we write them off? Not according to Economist data journalist G Elliot Morris, who鈥檚 written a book called Strength in Numbers: How Polls Work and Why We Need Them.
Presenter: Tim Harford
Producer: Jon Bithrey
Editor: Richard Vadon
Programme Coordinator: Brenda Brown
Sound Engineer: Rod Farquhar
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Tim Harford explains the numbers and statistics used in everyday life.
