DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:00:38 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 129/Kaufman VRSN: W 129-902/Forney ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 225,302,942 0.9933 226,822,654 51 1,705 .012857589 2 A 225,100,276 0.9813 229,389,867 50 1,301 .006700689 3 A 225,223,219 0.9815 229,468,384 55 1,040 .006529578 4 A 225,089,818 0.9730 231,335,887 52 771 .012038820 5 D3 121,729,320 1.3603 89,487,113 11 2,133 .547759656 6 F1 18,023,241 0.6914 26,067,748 7 146 .036087234 7 F1 17,902,330 0.8661 20,670,050 7 46 .006508095 8 F1 18,115,210 0.8524 21,252,006 6 17 .023431858 9 L1 2,375,270 1.1780 2,016,358 3 8 .042940373 RANDOM TOTALS: 1,078,861,626 1,076,510,067 242 7,167 CATG D1 EXCEPTION VALUES: 4,523,020 3,078,895 CATG F1 EXCEPTION VALUES: 12,900,010 16,647,521 CATG L1 EXCEPTION VALUES: 340,817,520 340,800,000 TOTAL TEST VALUES (4): 1,437,102,176 1,437,036,483 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 71,851,824 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,365,184,659 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,437,102,176 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,508,888,307 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,567,974,220 (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
