DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:10:32 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 091/Grayson VRSN: W 091-903/Denison ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 151,141,973 1.1462 131,863,526 50 3,996 .045873766 2 A 151,184,341 1.0314 146,581,676 69 2,145 .016239765 3 A 151,102,087 1.0214 147,936,251 74 1,384 .006579438 4 A 151,107,487 1.0019 150,820,927 48 709 .012726598 5 D3 50,722,700 1.0256 49,456,611 21 2,306 .043440330 6 F1 40,786,630 1.0849 37,594,829 13 422 .024897640 7 F1 41,507,504 0.6289 66,000,165 9 96 .455049355 8 F1 40,519,276 0.8597 47,131,879 7 25 .070205137 9 L1 29,208,516 0.9049 32,278,170 7 403 .057524571 10 L1 29,347,498 0.9827 29,864,148 7 77 .000273439 11 L1 30,639,662 1.0031 30,544,973 5 21 .009831913 12 L1 27,619,949 1.0011 27,589,600 4 5 .004036616 RANDOM TOTALS: 894,887,623 897,662,755 314 11,589 CATG D1 EXCEPTION VALUES: 4,026,041 2,681,907 CATG F1 EXCEPTION VALUES: 38,272,255 35,688,082 TOTAL TEST VALUES (4): 937,185,919 936,032,744 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 46,801,637 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 889,231,107 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 937,185,919 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 982,834,381 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 965,321,487 (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
