DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:57:15 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 043/Collin VRSN: W 043-901/Allen ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 765,519,993 1.0082 759,293,784 55 5,390 2 A 762,296,195 0.9983 763,594,305 55 4,214 3 A 763,960,432 1.0060 759,404,008 55 3,474 4 A 763,740,072 0.9972 765,884,549 56 2,241 5 F1 132,011,381 1.0422 126,666,073 6 120 6 F1 133,384,879 0.8744 152,544,464 9 40 7 F1 141,010,470 0.9481 148,729,533 6 14 8 F1 119,698,404 0.9836 121,694,189 3 5 9 L1 82,056,814 0.8433 97,304,416 7 248 10 L1 87,967,775 0.9717 90,529,767 7 20 11 L1 79,629,508 0.8018 99,313,430 3 5 RANDOM TOTALS: 3,831,275,923 3,884,958,518 262 15,771 CATG D1 EXCEPTION VALUES: 1,748,743 1,635,360 CATG L1 EXCEPTION VALUES: 92,815,117 99,410,899 TOTAL TEST VALUES (4): 3,925,839,783 3,986,004,777 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 199,300,239 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 3,786,704,538 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 3,925,839,783 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 4,185,305,016 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 4,402,046,133 (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
