DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:02:51 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 048/Concho VRSN: W 048-903/Paint Rock ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 4,145,187 1.0085 4,110,250 8 139 .004160309 2 A 4,156,999 0.9976 4,167,000 6 59 .007316478 3 A 4,173,764 1.0058 4,149,696 9 29 .014465754 4 A 3,977,685 1.0705 3,715,726 4 10 .000873448 5 C 1,246,309 0.8331 1,495,990 7 170 .014028709 6 C 1,238,613 0.8948 1,384,234 6 76 .000430858 7 C 1,228,590 0.8933 1,375,339 7 40 .003800727 8 C 1,226,474 0.9004 1,362,143 5 17 .004129985 9 D3 8,019,650 0.8385 9,564,281 20 1,696 .172072009 RANDOM TOTALS: 29,413,271 31,324,659 72 2,236 CATG J EXCEPTION VALUES: 3,741,401 3,596,296 CATG D1 EXCEPTION VALUES: 12,978,410 12,473,203 TOTAL TEST VALUES (4): 46,133,082 47,394,158 MARGIN OF ERROR PERCENT: 5.0000002 MARGIN OF ERROR VALUE: 2,369,708 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 45,024,450 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 46,133,082 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 49,763,866 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 57,946,925 (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
