DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:04:38 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 146/Liberty VRSN: W 146-907/Tarkington ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 39,093,984 0.9913 39,437,087 10 1,082 .028194104 2 A 39,101,022 0.9042 43,243,776 12 579 .019733168 3 A 39,108,099 0.9197 42,522,669 18 406 .014986712 4 A 38,969,862 0.9987 39,020,589 12 260 .007212958 5 C 10,196,259 0.9820 10,383,156 9 4,076 .010533546 6 C 90,967 0.8827 103,055 6 28 .030559853 7 C 5,467,968 1.0325 5,295,853 8 835 .031762202 8 C 4,814,234 0.9524 5,054,845 8 255 .143308135 9 D3 50,562,573 0.9359 54,025,615 20 3,520 .013780660 RANDOM TOTALS: 227,404,968 239,086,645 103 11,041 CATG J EXCEPTION VALUES: 11,278,449 11,181,943 CATG D1 EXCEPTION VALUES: 24,632,964 24,333,479 TOTAL TEST VALUES (4): 263,316,381 274,602,067 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 13,730,103 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 260,871,964 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 263,316,381 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 288,332,170 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 285,444,671 (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
