DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:28:29 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 174/Nacogdoches VRSN: W 174-902/Cushing ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 6,227,203 1.0377 6,000,967 5 237 .004263655 2 A 6,199,357 0.8662 7,156,958 9 129 .031791034 3 A 6,273,498 0.9807 6,396,959 6 86 .006023904 4 A 6,150,358 1.0508 5,853,024 7 50 .017084113 5 D3 31,317,320 0.8360 37,460,909 12 2,967 .104853082 6 G1 46,117,959 0.9974 46,238,178 5 15 .000086987 7 G1 44,467,330 0.9918 44,834,977 3 5 .000144395 RANDOM TOTALS: 146,753,025 153,941,972 47 3,489 CATG J EXCEPTION VALUES: 4,539,356 4,804,001 CATG D1 EXCEPTION VALUES: 18,360,380 14,911,037 CATG G1 EXCEPTION VALUES: 74,072,360 75,085,553 TOTAL TEST VALUES (4): 243,725,121 248,742,563 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 12,437,128 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 236,305,435 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 243,725,121 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 261,179,691 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 258,382,590 (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
