David Dimbleby’s announcement of the exit poll results on the BBC’s General Election Night has been a familiar sight for viewers since 1979. But how exactly do exit polls work, and just how accurate are they? Exit polls have been used to predict the results of general elections in the UK for several decades now, with varying levels of accuracy. In 2010 the exit poll was spot on with its indication of a hung parliament, but in 2015 it failed to call a majority for the Conservatives. And in 2017 many reacted with shock and surprise when the exit poll for the snap election indicated that, far from extending her majority in the Commons, Theresa May had seemingly squandered it and no party was set… To continue reading this article Start your free trial of Premium Access all Premium articles Subscriber-only events Cancel any time Free for 30 days then only £2 per week Try Premium Access one Premium article per week Register for free We’re glad you’re enjoying The Telegraph Register or subscribe to continue readingAlready a subscriber? Log in Register Free One free Premium article per week Newsletters and daily briefings Register Subscribe 30 days free, then £2 per… Read full this story
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