Talk:United States Senate elections, 1930 and 1931

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In one of my marketing statistics books it gave the example of the 1930's elections being entirely different from the polls that took place earlier. According to this book (it's a Flemish marketing analysis book, so citing it probably wouldn't help) there was a huge and widespread systematic bias in the social classes that were being sampled prior to the elections, resulting in the prediction of an overwhelming majority for the Republican party. Which of course was not what happend in the end. 03:23, 25 December 2006 (UTC)