New eBook feature makes it easy for users to gauge the statistical reliability of radio audience estimates in diary and PPM markets;
New software quickly calculates margin of error for radio spot schedules in PPM markets
NEW YORK; October 30, 2008 ““ Arbitron Inc. (NYSE: ARB) announced today the release of two new reliability calculators for both diary and PPM radio estimates.
* A new feature of eBook enables users of Arbitron radio ratings, whether diary or PPM-based, to quickly gauge the estimated statistical reliability of audience estimates for published demos and dayparts.
* The new PPM GRP Reliability Calculator estimates the margin of error for Gross Rating Points (GRPs) of radio advertising schedules in PPM markets.
“Industry leaders Jerry Lee of WBEB-FM and John Dickey of Cumulus both deserve recognition for championing the idea of making it far easier to estimate the margin of error of Gross Rating Points in PPM schedules and individual radio station estimates in both PPM and diary markets,” said Pierre Bouvard, president, Sales and Marketing, Arbitron Inc.