DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:20:46 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 212/Smith VRSN: P 212-909/Chapel Hill ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 104,195,291 0.9978 104,425,026 21 1,719 2 A 104,207,232 0.9638 108,121,220 38 875 3 A 104,232,620 0.9994 104,295,197 43 510 4 A 103,903,331 0.9977 104,142,860 30 280 5 D3 80,417,570 1.0362 77,608,155 29 5,100 6 F1 13,562,933 0.9920 13,672,311 7 116 7 F1 13,650,317 0.9894 13,796,561 7 41 8 F1 14,075,968 0.9295 15,143,591 6 18 9 F1 12,573,085 1.0395 12,095,320 3 4 10 L1 11,617,067 0.8479 13,700,987 10 146 11 L1 11,834,871 1.0192 11,611,922 7 29 12 L1 11,635,565 0.9852 11,810,358 5 9 RANDOM TOTALS: 585,905,850 590,423,508 206 8,847 CATG J EXCEPTION VALUES: 22,976,957 24,757,013 CATG D1 EXCEPTION VALUES: 11,949,049 9,819,698 CATG L1 EXCEPTION VALUES: 12,169,280 11,866,202 TOTAL TEST VALUES (4): 633,001,136 636,866,421 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 31,843,321 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 605,023,100 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 633,001,136 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 668,709,742 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 681,005,476 (SEE ISD SUMMARY WORKSHEET) SOURCES: (1) SEE STRATIFIED CATEGORY WORKSHEET REPORTS PTS236, PTS430 (2) NUMBER OF PARCELS SAMPLED BY STAFF (3) TOTAL CATEGORY PARCELS FROM STRATIFICATION REPORT APPRAISAL ROLL, OR SELF-REPORT (4) INCLUDES ANY PARCELS IN A, B, C, D3, F1, G1, G2,OR L1 MARKED AS EXCEPTION PROPERTIES (5) UNSTUDIED CATEGORIES AND SUB-CATEGORIES WERE NOT INCLUDED IN THE CONFIDENCE INTERVAL VALUES
