DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:21:45 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 220/Tarrant VRSN: W 220-906/Grapevine-Colleyville ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 1,018,488,936 1.0053 1,013,119,403 50 6,508 2 A 1,018,605,947 1.0114 1,007,124,725 48 4,469 3 A 1,016,837,129 1.0149 1,001,908,690 50 3,141 4 A 1,017,797,542 1.0165 1,001,276,480 50 1,833 5 B 111,833,541 0.9755 114,642,277 15 816 6 B 117,811,166 0.9658 121,982,984 5 16 7 B 137,219,177 0.9748 140,766,493 8 9 8 F1 424,331,655 0.7476 567,591,834 11 402 9 F1 427,001,276 0.8453 505,147,611 9 117 10 F1 440,316,470 0.9478 464,566,860 9 39 11 L1 606,320,865 0.9711 624,365,014 7 359 12 L1 603,693,076 1.0032 601,767,420 6 17 RANDOM TOTALS: 6,940,256,780 7,164,259,791 268 17,726 CATG D1 EXCEPTION VALUES: 123,198 120,076 CATG B EXCEPTION VALUES: 72,704,033 71,958,000 CATG F1 EXCEPTION VALUES: 456,043,137 478,127,584 CATG L1 EXCEPTION VALUES: 1,136,689,995 1,122,693,635 TOTAL TEST VALUES (4): 8,605,817,143 8,837,159,086 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 441,857,954 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 8,395,301,132 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 8,605,817,143 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 9,279,017,040 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 8,227,863,134 (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
