DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:21:39 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 220/Tarrant VRSN: W 220-902/Birdville ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 899,837,174 1.0363 868,317,258 50 11,086 2 A 898,554,301 1.0254 876,296,373 50 8,491 3 A 900,770,831 1.0077 893,887,894 51 6,502 4 A 897,242,626 1.0159 883,199,750 46 4,613 5 B 102,459,930 0.9722 105,389,765 21 551 6 B 101,591,740 0.9691 104,831,018 7 21 7 B 109,447,715 0.9704 112,786,186 6 13 8 B 90,830,921 1.0606 85,641,072 3 5 9 F1 313,765,403 0.8655 362,525,018 12 827 10 F1 313,026,436 0.8884 352,348,532 10 220 11 F1 318,185,418 0.8852 359,450,314 12 76 12 F1 307,972,876 0.9094 338,655,021 5 19 13 L1 160,232,116 1.0100 158,645,659 7 1,170 14 L1 160,934,195 1.0040 160,293,023 8 241 15 L1 161,098,035 1.0458 154,042,871 7 67 16 L1 158,356,158 0.9805 161,505,516 7 17 RANDOM TOTALS: 5,894,305,875 5,977,815,270 302 33,919 CATG D1 EXCEPTION VALUES: 49,721 44,199 TOTAL TEST VALUES (4): 5,894,355,596 5,977,859,469 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 298,892,973 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 5,678,966,496 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 5,894,355,596 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 6,276,752,442 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 5,952,060,752 (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
