DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:19:25 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 220/Tarrant VRSN: W 220-908/Mansfield ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 1,110,830,100 0.9916 1,120,240,117 48 8,998 .003060660 2 A 1,110,872,678 1.0056 1,104,686,434 52 6,899 .003280063 3 A 1,111,791,371 1.0070 1,104,062,930 48 5,498 .002085131 4 A 1,109,666,404 1.0055 1,103,596,623 51 3,486 .003356167 5 F1 144,580,351 0.9488 152,382,326 9 368 .007133515 6 F1 145,545,993 0.9648 150,856,129 7 125 .023680177 7 F1 142,977,176 1.0312 138,651,257 6 52 .011416057 8 F1 143,915,991 0.9388 153,297,817 5 16 .011211064 9 L1 66,374,856 1.0978 60,461,702 7 486 .030744510 10 L1 67,230,689 1.1445 58,742,411 7 89 .043454695 11 L1 67,058,310 1.0390 64,541,203 7 29 .001671449 RANDOM TOTALS: 5,220,843,919 5,211,518,949 247 26,046 CATG D1 EXCEPTION VALUES: 1,713,424 2,067,589 CATG L1 EXCEPTION VALUES: 65,473,996 63,569,542 TOTAL TEST VALUES (4): 5,288,031,339 5,277,156,080 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 263,857,804 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 5,013,298,276 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 5,288,031,339 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 5,541,013,884 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 6,075,371,321 (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
