DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:55:40 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 014/Bell VRSN: W 014-901/Academy ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 23,908,917 0.9504 25,156,689 10 378 .004657810 2 A 23,951,667 1.0212 23,454,433 8 241 .002508878 3 A 23,880,813 0.9785 24,405,532 16 173 .006046657 4 A 23,780,532 0.9664 24,607,339 6 68 .006523136 5 D3 36,452,175 0.8778 41,526,743 13 1,286 .022853378 RANDOM TOTALS: 131,974,104 139,150,736 53 2,146 CATG J EXCEPTION VALUES: 9,398,105 10,416,112 CATG D1 EXCEPTION VALUES: 5,838,085 5,509,725 TOTAL TEST VALUES (4): 147,210,294 155,076,573 MARGIN OF ERROR PERCENT: 5.0000002 MARGIN OF ERROR VALUE: 7,753,829 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 147,210,294 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 147,322,744 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 162,830,402 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 139,535,949 (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
