The San Diego union tribune choose a question each week and asks readers to call in their responses. During the presidential campaign in 2012 , readers were asked to predict who would win the republicans primary in lows. Of the response 72.3% chose mitt Romney, 11.3% chose Rick Santorum, 6.7% choice Ron Paul, 6.2% chose Newt Gingrich, 2.5% chose Jon Huntsman, and 1% chose Michelle Bachman. Rick Santorum actually won the primary. What might have caused these numbers to be so different from those recorded in national polls?

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.