Seventy-one years ago, the headline (Dewey Defeats Truman) in the Chicago Daily Tribune incorrectly identified the winner of the 1948 presidential election. Was this a result of poor data or poor sampling? Fast forward to 2019. and voters in the United States are being barraged with endless polls, phone calls and surveys in order to predict the outcome of our elections. What do these two events have to do with UV measurement and process control?
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