The high level of agreement among opinion polls that the Labor Party would win the federal election was so statistically unlikely that polling companies must have been fudging their own results, statisticians said.
Peter Ellis, a director at management consulting firm Nous Group, said the odds of the past 20 polls all showing that the Labor Party was consistently ahead were 500-1.
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Aaron Patrick is the senior correspondent. He writes about politics and business from the Sydney newsroom. Email Aaron at apatrick@afr.com