DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:38:03 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 220/Tarrant VRSN: W 220-915/Azle ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 290,513,749 1.0138 286,559,232 47 3,766 .010705253 2 A 289,865,493 1.0160 285,300,682 47 2,286 .005155638 3 A 290,318,555 1.0111 287,131,396 54 1,456 .006959548 4 A 289,773,974 1.0190 284,370,926 49 810 .010515958 5 C 20,098,956 0.8801 22,837,128 7 1,694 .074863301 6 C 20,477,753 0.7987 25,638,854 7 683 .065513600 7 C 19,763,810 0.9749 20,272,654 7 369 .022058762 8 C 20,036,896 0.9375 21,372,689 9 164 .038921889 9 F1 25,500,948 0.8491 30,032,915 7 223 .120053038 10 F1 25,832,192 0.9838 26,257,565 9 104 .057536068 11 F1 25,171,563 0.9190 27,390,166 6 49 .023463747 12 F1 25,484,763 0.9203 27,691,799 5 14 .007061254 RANDOM TOTALS: 1,342,838,652 1,344,856,006 254 11,618 CATG D1 EXCEPTION VALUES: 1,875,628 1,697,940 TOTAL TEST VALUES (4): 1,344,714,280 1,346,553,946 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 67,327,697 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,279,226,249 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,344,714,280 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,413,881,643 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,395,355,166 (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
