DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:37:21 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 025/Brown VRSN: W 025-902/Brownwood ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 75,250,934 0.8724 86,257,375 64 2,824 .043453974 2 A 75,386,287 0.8574 87,924,291 64 1,357 .019103534 3 A 75,109,506 0.8974 83,696,797 60 858 .016651635 4 A 75,240,997 0.8767 85,822,969 36 460 .017650695 5 D3 33,258,662 1.0457 31,805,166 30 1,601 .040298887 6 F1 32,259,809 0.9760 33,053,083 6 357 .006410797 7 F1 32,214,038 0.9494 33,930,944 7 102 .007856750 8 F1 32,479,256 1.0185 31,889,304 8 27 .038435500 9 L1 20,976,458 1.0009 20,957,596 7 380 .001064090 10 L1 20,844,718 0.9783 21,307,082 11 87 .002267538 11 L1 20,906,914 0.9876 21,169,415 9 30 .000538133 RANDOM TOTALS: 493,927,579 537,814,022 302 8,083 CATG J EXCEPTION VALUES: 36,061,999 36,458,923 CATG D1 EXCEPTION VALUES: 4,927,553 4,718,104 CATG F1 EXCEPTION VALUES: 32,896,190 33,937,947 CATG L1 EXCEPTION VALUES: 21,624,250 21,186,954 TOTAL TEST VALUES (4): 589,437,571 634,115,950 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 31,705,798 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 589,437,571 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 602,410,152 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 665,821,748 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 829,803,504 (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
