DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:51:59 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 008/Austin VRSN: P 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 205,058,169 0.9440 217,222,637 64 2,674 2 D3 238,644,184 0.9574 249,262,778 31 13,280 3 F1 31,423,236 0.9348 33,614,929 10 355 RANDOM TOTALS: 475,125,589 500,100,344 105 16,309 CATG J EXCEPTION VALUES: 20,077,790 22,663,985 CATG D1 EXCEPTION VALUES: 25,566,000 18,731,915 TOTAL TEST VALUES (4): 520,769,379 541,496,244 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 27,074,812 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 514,421,432 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 520,769,379 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 568,571,056 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 533,209,039 (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
