DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:21:14 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 220/Tarrant VRSN: P 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 899,838,684 1.0363 868,318,715 50 11,086 2 A 898,555,809 1.0254 876,297,844 50 8,491 3 A 900,772,343 1.0077 893,889,395 51 6,502 4 A 897,244,131 1.0159 883,201,231 46 4,613 5 B 102,475,889 0.9722 105,406,181 21 551 6 B 101,607,563 0.9691 104,847,346 7 21 7 B 109,464,762 0.9704 112,803,753 6 13 8 B 90,845,068 1.0606 85,654,411 3 5 9 F1 314,859,376 0.8655 363,788,996 12 827 10 F1 314,117,833 0.8884 353,577,029 10 220 11 F1 319,294,802 0.8852 360,703,572 12 76 12 F1 309,046,653 0.9094 339,835,774 5 19 13 L1 163,840,986 1.0100 162,218,798 7 1,170 14 L1 164,558,877 1.0040 163,903,264 8 241 15 L1 164,726,407 1.0458 157,512,342 7 67 16 L1 161,922,776 0.9805 165,143,066 7 17 RANDOM TOTALS: 5,913,171,959 5,997,101,717 302 33,919 CATG D1 EXCEPTION VALUES: 49,490 43,788 TOTAL TEST VALUES (4): 5,913,221,449 5,997,145,505 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 299,857,275 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 5,697,288,230 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 5,913,221,449 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 6,297,002,780 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 5,985,090,686 (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
