Even with perfect methodology–random sampling, neutral question wording, and an accurate likely voter screens–approximately one out of every 20 political polls will be wrong outside the margin of error, just by chance. Two polling firms released snapshots of the Iowa electorate yesterday. They can’t both be right.
Continue Reading...Two polls paint different picture of presidential race in Iowa
- Friday, Sep 21 2012
- desmoinesdem
- 5 Comments