DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:38:15 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 166,833,241 1.0256 162,668,917 42 2,436 .016377982 2 A 164,584,773 1.0002 164,551,863 53 1,772 .005752091 3 A 165,231,887 1.0031 164,721,251 56 1,479 .004342766 4 A 165,284,715 1.0405 158,851,240 47 946 .004577570 5 F1 46,559,663 0.8553 54,436,646 7 115 .153714788 6 F1 44,832,356 0.9189 48,789,157 6 29 .029589419 7 F1 45,641,742 0.8768 52,054,906 4 12 .042890511 8 F1 42,154,124 0.9575 44,025,195 3 4 .004029635 9 L1 19,936,728 0.9430 21,141,811 7 130 .214310682 10 L1 18,914,012 1.0325 18,318,656 5 17 .001046589 11 L1 38,381,965 1.0859 35,345,764 8 9 .023589274 RANDOM TOTALS: 918,355,206 924,905,406 238 6,949 CATG D1 EXCEPTION VALUES: 474,391 398,316 TOTAL TEST VALUES (4): 918,829,597 925,303,722 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 46,265,186 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 879,038,536 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 918,829,597 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 971,568,908 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 980,234,254 (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
