DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:19:50 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 220/Tarrant VRSN: W 220-920/White Settlement ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 166,764,410 1.0256 162,601,804 42 2,436 .016377982 2 A 164,516,869 1.0002 164,483,972 53 1,772 .005752091 3 A 165,163,716 1.0031 164,653,291 56 1,479 .004342766 4 A 165,216,522 1.0405 158,785,701 47 946 .004577570 5 F1 46,753,793 0.8553 54,663,619 7 115 .153714788 6 F1 45,019,284 0.9189 48,992,582 6 29 .029589419 7 F1 45,832,044 0.8768 52,271,948 4 12 .042890511 8 F1 42,329,885 0.9575 44,208,757 3 4 .004029635 9 L1 19,894,250 0.9430 21,096,766 7 130 .214310682 10 L1 18,873,713 1.0325 18,279,625 5 17 .001046589 11 L1 38,300,186 1.0859 35,270,454 8 9 .023589274 RANDOM TOTALS: 918,664,672 925,308,519 238 6,949 CATG D1 EXCEPTION VALUES: 467,671 392,413 TOTAL TEST VALUES (4): 919,132,343 925,700,932 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 46,285,047 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 879,415,885 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 919,132,343 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 971,985,979 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 977,831,991 (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
