COMM 122 Lecture Notes - Lecture 12: Nielsen Audio, Observational Error, Markets Now
16 Mar 2016
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B - aren"t people stupid - 6 / 53 11. C - dancing with the ta"s - 30 / 53 57. D - amherst 01003 - 5 / 53 10. Rating/hut percent (sum of shares always = 100%) Rating of umass idol = d/b = 287/1232 = 0. 23 23. 3. Share of umass idol = d/c = 287/646 = 0. 4 4. 4. Trying to be a clean measure of what you watch. Quality of data was all about pressing the buttons. Very significant problems getting minorities to carry them around; under sampling. Ratings for hispanic and african-american station especially lower. Council only in 9 markets - hearings in congress/ fcc, lawsuits. 2015: still not accredited in ny, dc, boston In home, out of home, personal devices, broadband, streaming, dvr, To get accurate data, you would have to sample everyone. If you draw a sample, it includes sample error. If sample mean = 3. 6 and if 95% confidence level sample error = . 2.
