DATE: 06/30/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 13:45:15 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 022/Brewster VRSN: W 022-901/Alpine ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 40,224,712 0.7133 56,392,418 12 918 2 A 40,205,012 0.8764 45,875,185 14 509 3 A 40,169,793 0.9846 40,798,083 16 343 4 A 40,222,409 1.0668 37,703,795 15 215 5 D3 23,605,509 1.0288 22,944,702 20 6,604 6 F1 9,343,539 0.9743 9,590,002 20 117 7 F1 9,499,119 0.8767 10,835,085 14 43 8 F1 10,051,624 0.9375 10,721,732 7 11 9 L1 4,094,621 0.7394 5,537,762 8 157 10 L1 4,035,785 1.0109 3,992,269 7 32 11 L1 4,586,072 1.1438 4,009,505 6 11 RANDOM TOTALS: 226,038,195 248,400,538 139 8,960 CATG J EXCEPTION VALUES: 16,711,457 16,887,047 CATG D1 EXCEPTION VALUES: 15,169,752 18,182,544 CATG F1 EXCEPTION VALUES: 9,469,954 8,807,857 CATG L1 EXCEPTION VALUES: 3,258,486 3,042,317 TOTAL TEST VALUES (4): 270,647,844 295,320,303 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 14,766,015 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 270,647,844 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 280,554,288 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 310,086,318 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 289,316,102 (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
