DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:52:27 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 008/Austin VRSN: W 008-901/Bellville ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 205,086,459 0.9440 217,252,605 64 2,676 2 D3 238,451,884 0.9574 249,061,922 31 9,279 3 F1 31,423,236 0.9348 33,614,929 10 356 RANDOM TOTALS: 474,961,579 499,929,456 105 12,311 CATG J EXCEPTION VALUES: 19,233,940 21,913,386 CATG D1 EXCEPTION VALUES: 25,566,910 18,677,274 TOTAL TEST VALUES (4): 519,762,429 540,520,116 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 27,026,006 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 513,494,110 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 519,762,429 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 567,546,122 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 531,861,094 (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
