DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:37:51 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 1,110,821,616 0.9916 1,120,231,561 48 8,998 .003060660 2 A 1,110,864,194 1.0056 1,104,677,997 52 6,899 .003280063 3 A 1,111,782,880 1.0070 1,104,054,499 48 5,498 .002085131 4 A 1,109,657,930 1.0055 1,103,588,195 51 3,486 .003356167 5 F1 144,921,996 0.9488 152,742,407 9 368 .007133515 6 F1 145,889,920 0.9648 151,212,604 7 125 .023680177 7 F1 143,315,033 1.0312 138,978,892 6 52 .011416057 8 F1 144,256,066 0.9388 153,660,062 5 16 .011211064 9 L1 67,264,436 1.0978 61,272,031 7 486 .030744510 10 L1 68,131,738 1.1445 59,529,697 7 89 .043454695 11 L1 67,957,049 1.0390 65,406,207 7 29 .001671449 RANDOM TOTALS: 5,224,862,858 5,215,354,152 247 26,046 CATG D1 EXCEPTION VALUES: 1,730,332 2,094,390 CATG L1 EXCEPTION VALUES: 65,473,996 63,569,542 TOTAL TEST VALUES (4): 5,292,067,186 5,281,018,084 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 264,050,904 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 5,016,967,180 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 5,292,067,186 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 5,545,068,988 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 6,094,651,568 (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
