DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:21:35 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 230/Upshur VRSN: W 230-902/Gilmer ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 51,552,131 0.9270 55,611,792 16 3,514 .114541433 2 A 51,558,019 0.9077 56,800,726 15 1,034 .055656302 3 A 51,556,026 0.9242 55,784,490 13 685 .032735724 4 A 51,530,473 0.9709 53,074,954 16 434 .014225989 5 D3 153,026,996 0.8659 176,725,945 26 9,136 .058241697 6 F1 11,255,876 0.7884 14,276,859 6 470 .193694382 7 F1 11,335,108 0.8030 14,115,950 9 127 .019791104 8 F1 11,896,080 0.7940 14,982,469 6 43 .009898912 9 F1 10,409,765 0.7761 13,412,917 3 6 .014475574 10 G1 55,017,006 1.0464 52,577,414 7 142 .013724758 11 G1 55,587,298 1.0160 54,711,907 6 65 .002846008 12 G1 55,468,911 1.0220 54,274,864 7 41 .003900136 RANDOM TOTALS: 570,193,689 616,350,287 130 15,697 CATG D1 EXCEPTION VALUES: 14,389,839 13,090,840 CATG G1 EXCEPTION VALUES: 15,718,130 16,110,452 TOTAL TEST VALUES (4): 600,301,658 645,551,579 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 32,277,579 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 600,301,658 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 613,274,000 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 677,829,158 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 657,929,636 (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
