Clinton Obama Polling Bias
Here is an analysis of primary polling bias for all of the states holding primaries since March 1st. A comparison of pre-election polls to election results shows a polling bias against the eventual winner of each state, whether that was Obama or Clinton (mostly). It seems that the polling organizations are predicting closer races than really occur. Polling Bias This analysis relies on the “poll of polls” otherwise known as the Real Clear Politics polling averages leading up to each p
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