http://www.counterpunch.org/2016/05/16/clinton-does-best-where-voting-machines-flunk-hacking-tests-hillary-clinton-vs-bernie-sanders-election-fraud-allegations/ [counterpunch.org]
"Of the nine places where the exit polling has missed by more than 7% (South Carolina, Alabama, Georgia, Massachusetts, Tennessee, Texas, Mississippi, Ohio, New York), two-thirds are states where all or the majority of election jurisdictions are using machines ten years old or greater. For these six states the average initial exit polling miss is a whopping 9.98%. From my column on exit polling misses last week, the average exit polling miss in Clinton’s favor is 5.1%. For the three states (Oklahoma, New York, Maryland) for which there is polling and for which all election jurisdictions use machines less than ten years old (gray in the map), the average is just a 1.67% miss in Clinton’s favor. Now take note, this 1.67% average includes New York with its huge miss in Clinton’s favor."