DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:39:41 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 228/Trinity VRSN: W 228-904/Centerville ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 1,095,283 1.1223 975,927 8 54 .097195108 2 A 1,071,126 1.1810 906,965 8 30 .165813438 3 A 1,107,581 0.8687 1,274,987 8 19 .006382337 4 A 1,016,450 1.1557 879,510 5 10 .034068037 5 D3 7,219,815 0.8991 8,030,047 20 1,370 .048707799 6 G1 3,776,997 1.0254 3,683,438 5 7 .027678757 RANDOM TOTALS: 15,287,252 15,750,874 54 1,490 CATG D1 EXCEPTION VALUES: 9,273,691 8,930,553 TOTAL TEST VALUES (4): 24,560,943 24,681,427 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 1,234,071 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 23,447,356 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 24,560,943 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 25,915,498 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 22,043,853 (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
