DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:37:25 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 025/Brown VRSN: W 025-904/Blanket ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 1,198,611 0.9566 1,252,991 6 82 .000405413 2 A 1,185,977 0.9764 1,214,643 9 41 .002061536 3 A 1,183,385 0.9650 1,226,306 7 27 .000239045 4 A 1,166,735 0.9724 1,199,851 9 16 .001685907 5 D3 16,907,883 0.9881 17,111,510 28 1,152 .029884389 6 L1 3,272,360 0.9650 3,391,047 11 46 .000495085 RANDOM TOTALS: 24,914,951 25,396,348 70 1,364 CATG J EXCEPTION VALUES: 2,707,610 2,770,233 CATG D1 EXCEPTION VALUES: 4,152,970 3,931,577 TOTAL TEST VALUES (4): 31,775,531 32,098,158 MARGIN OF ERROR PERCENT: 5.0000003 MARGIN OF ERROR VALUE: 1,604,908 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 30,493,250 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 31,775,531 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 33,703,066 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 27,944,373 (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
