DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:41:35 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 044/Collingsworth VRSN: W 044-902/Wellington ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 7,589,049 0.9332 8,132,286 23 494 .154073697 2 A 7,570,934 0.9367 8,082,560 15 197 .015673346 3 A 7,573,002 0.9926 7,629,460 16 129 .013628769 4 A 7,527,038 0.9533 7,895,770 14 84 .020994394 5 D3 7,755,060 0.6928 11,193,793 28 2,067 .531136092 6 F1 1,193,086 0.9632 1,238,669 6 28 .003216756 7 F1 1,366,748 0.9534 1,433,551 4 11 .004540570 8 F1 978,930 0.9423 1,038,873 2 3 .006323978 RANDOM TOTALS: 41,553,847 46,644,962 108 3,013 CATG J EXCEPTION VALUES: 2,170,366 2,180,314 CATG D1 EXCEPTION VALUES: 24,795,340 23,787,386 CATG F1 EXCEPTION VALUES: 51,840 52,750 TOTAL TEST VALUES (4): 68,571,393 72,665,412 MARGIN OF ERROR PERCENT: 5.0000006 MARGIN OF ERROR VALUE: 3,633,271 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 68,571,393 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 69,032,141 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 76,298,683 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 66,170,720 (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
