DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:40:50 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 234/Van Zandt VRSN: W 234-907/Wills Point ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 46,751,067 0.8373 55,835,503 16 1,086 .096555032 2 A 46,753,570 0.9346 50,025,219 16 647 .009748757 3 A 46,672,728 0.8997 51,875,879 15 439 .037140133 4 A 46,702,198 0.9168 50,940,443 15 270 .014113142 5 D3 159,280,630 0.9852 161,673,396 44 6,214 .091269388 6 F1 5,640,987 0.5133 10,989,649 9 118 .049531466 7 F1 5,612,505 0.5676 9,888,134 7 39 .045795766 8 F1 11,098,384 0.8219 13,503,326 7 17 .066128914 RANDOM TOTALS: 368,512,069 404,731,549 129 8,830 CATG J EXCEPTION VALUES: 21,955,522 24,353,998 CATG D1 EXCEPTION VALUES: 12,018,560 7,891,457 TOTAL TEST VALUES (4): 402,486,151 436,977,004 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 21,848,850 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 402,486,151 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 415,128,154 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 458,825,854 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 383,265,011 (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
