DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:55:23 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 031/Cameron VRSN: P 031-909/Point Isabel ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 356,160,786 0.9327 381,859,961 57 3,561 2 A 355,788,674 0.9300 382,568,467 53 1,747 3 A 356,108,446 0.9600 370,946,298 56 1,199 4 A 355,175,350 0.9966 356,387,066 61 687 5 C 43,965,740 0.9119 48,213,335 7 1,225 6 C 39,757,565 0.8860 44,873,098 11 613 7 C 41,890,142 0.9312 44,985,118 7 278 8 C 41,797,998 0.9760 42,825,818 7 82 9 F1 48,396,802 0.9755 49,612,303 7 224 10 F1 48,102,309 0.9602 50,096,135 7 74 11 F1 48,487,967 1.0276 47,185,643 6 35 12 F1 48,164,763 0.9333 51,606,946 5 9 RANDOM TOTALS: 1,783,796,542 1,871,160,188 284 9,734 CATG D1 EXCEPTION VALUES: 1,398,145 1,270,284 TOTAL TEST VALUES (4): 1,785,194,687 1,872,430,472 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 93,621,524 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,778,808,948 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,785,194,687 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,966,051,996 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,968,519,718 (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
