Statistical Analysis of the Post-Election Audit Data 2014 August Primary Elections

The Center for Voting Technology Research (VoTeR Center) at the School of Engineering of the University of Connecticut received the data gathered in the post-election audit performed in the State of Connecticut following the August 12, 2014 election. The audit involved the randomly selected 10% of the districts and the audit returns were conveyed by the Office of the Secretary of the State (SOTS) to the VoTeR Center on December 4, 2014. The audit data received by the Center contains 305 records, where each record represents information about a given candidate: date, district, machine seal number, office, candidate, machine counted total, hand counted total of the votes considered unquestionable by the auditors, hand counted total of the votes considered questionable by the auditors, and the hand counted total, that is, the sum of undisputed and questionable ballots. This report contains several statistical analyses of the audit returns and recommendations. This report presents the analysis of 275 records. This is the total number of records less the 6 records improperly filled-out and the 24 additional empty records; these records are not considered for this report. There are 11 records with differences between hand and machine count greater than or equal to 1. There was 1 record with a discrepancy greater than 1, and that record’s discrepancy was 2 votes between hand and machine counts. The causes for such differences, as reported by the auditors, mostly fall into one of the following: