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The opinion polling industry’s 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’s 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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