DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:35:44 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 018/Bosque VRSN: W 018-907/Kopperl ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 8,800,933 1.0403 8,459,995 10 295 .018973898 2 A 8,792,505 0.9454 9,300,301 9 166 .014001214 3 A 8,826,724 0.9781 9,024,357 9 112 .004189275 4 A 8,699,013 1.0383 8,378,131 9 70 .008444976 5 C 957,240 1.0018 955,520 10 162 .008277013 6 C 933,295 0.9797 952,633 9 85 .001338569 7 C 964,382 1.0013 963,130 8 52 .002273881 8 C 908,528 1.0074 901,854 10 31 .007055660 9 D3 30,492,100 1.0262 29,713,604 21 936 .025522654 RANDOM TOTALS: 69,374,720 68,649,525 95 1,909 CATG J EXCEPTION VALUES: 3,137,390 3,178,073 CATG D1 EXCEPTION VALUES: 4,354,580 3,758,224 TOTAL TEST VALUES (4): 76,866,690 75,585,822 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 3,779,291 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 71,806,531 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 76,866,690 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 79,365,113 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 80,618,095 (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
