DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:43:16 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 247/Wilson VRSN: W 247-903/La Vernia ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 75,210,226 0.9351 80,430,142 21 1,273 .015380636 2 A 75,171,941 0.8907 84,396,476 21 612 .009990692 3 A 75,304,389 0.9721 77,465,682 18 447 .001646836 4 A 75,050,336 1.0084 74,425,165 54 333 .001789348 5 C 6,561,146 0.8597 7,631,902 7 416 .054294194 6 C 6,517,919 0.9695 6,722,970 10 252 .026737100 7 C 6,559,061 0.9908 6,619,965 7 208 .002502911 8 C 6,502,954 1.0333 6,293,384 12 145 .017880580 9 D3 76,507,500 0.9779 78,236,527 10 2,707 .008634922 RANDOM TOTALS: 403,385,472 422,222,213 160 6,393 CATG D1 EXCEPTION VALUES: 5,822,810 5,546,378 TOTAL TEST VALUES (4): 409,208,282 427,768,591 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 21,388,430 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 406,380,161 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 409,208,282 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 449,157,021 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 404,479,819 (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
