DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:32:43 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 003/Angelina VRSN: W 003-903/Lufkin ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 917,837,548 0.9647 951,422,772 60 13,776 .010198092 2 D3 16,066,610 0.8510 18,879,683 10 3,292 .018467530 3 F1 332,964,162 0.9362 355,654,948 10 1,412 .034239910 4 L1 238,635,638 0.9984 239,018,067 13 2,028 .008640789 RANDOM TOTALS: 1,505,503,958 1,564,975,470 93 20,508 CATG J EXCEPTION VALUES: 75,982,670 80,725,761 CATG D1 EXCEPTION VALUES: 14,606,467 14,598,867 TOTAL TEST VALUES (4): 1,596,093,095 1,660,300,098 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 83,015,005 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,577,285,093 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,596,093,095 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,743,315,103 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,795,608,545 (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
