DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:19:38 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 290,507,333 1.0138 286,552,903 47 3,766 .010705253 2 A 289,859,090 1.0160 285,294,380 47 2,286 .005155638 3 A 290,312,142 1.0111 287,125,054 54 1,456 .006959548 4 A 289,767,573 1.0190 284,364,645 49 810 .010515958 5 C 19,574,969 0.8801 22,241,755 7 1,694 .074863301 6 C 19,943,890 0.7987 24,970,439 7 683 .065513600 7 C 19,248,560 0.9749 19,744,138 7 369 .022058762 8 C 19,514,526 0.9375 20,815,494 9 164 .038921889 9 F1 25,182,657 0.8491 29,658,058 7 223 .120053038 10 F1 25,509,766 0.9838 25,929,829 9 104 .057536068 11 F1 24,857,383 0.9190 27,048,295 6 49 .023463747 12 F1 25,166,673 0.9203 27,346,162 5 14 .007061254 RANDOM TOTALS: 1,339,444,562 1,341,091,152 254 11,618 CATG D1 EXCEPTION VALUES: 1,879,658 1,700,509 TOTAL TEST VALUES (4): 1,341,324,220 1,342,791,661 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 67,139,583 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,275,652,078 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,341,324,220 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,409,931,244 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,386,322,696 (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
