... 9,621.8 14,1 63. 7 4,187.7 OTHER – 733 –2 23 –15 1,021 3, 811 –1,116 3, 515 1 ,36 2 TM DEVIATION Chi-Square Calculation for Counties and Channels Example COUNTY Table 5.8 256 156 51 –1 03 –245 37 1 37 6 –110 ... County and Channel COUNTS FREQUENCIES COUNTY TM DM OTHER TOTAL TM DM OTHER TOTAL BRONX 3, 212 4 13 2, 936 6,561 2.5% 0 .3% 2 .3% 5.1% KINGS 9,7 73 1 ,39 3 11,025 22,191 7.7% 1.1% 8.6% 17.4% NASSAU 3, 135 ... channel B customer a figure that is as valuable as the costper-response measures often used to rate channels Data Mining for Customer Relationship Management Customer relationship management...