DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:36:40 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 020/Brazoria VRSN: W 020-906/Sweeny ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 61,207,632 0.9625 63,592,345 17 1,267 .000586517 2 A 61,136,200 0.9737 62,787,512 14 749 .001033153 3 A 61,194,633 0.9778 62,583,998 19 523 .000871092 4 A 61,082,312 0.9632 63,416,022 13 306 .000734340 5 D3 41,225,300 0.9360 44,044,124 21 2,337 .029951058 6 G1 150,171,416 0.9824 152,861,783 8 30 .041012906 RANDOM TOTALS: 436,017,493 449,285,784 92 5,212 CATG J EXCEPTION VALUES: 12,194,125 12,658,954 CATG D1 EXCEPTION VALUES: 4,137,150 3,842,587 TOTAL TEST VALUES (4): 452,348,768 465,787,325 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 23,289,366 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 442,497,959 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 452,348,768 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 489,076,691 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,435,016,156 (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
