DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:41:25 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 043/Collin VRSN: W 043-914/Wylie ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 388,990,944 1.0103 385,025,185 78 2,799 .001465680 2 A 388,871,920 0.9988 389,339,127 83 2,312 .000662983 3 A 388,836,830 0.9985 389,420,961 83 1,991 .000666062 4 A 388,731,642 1.0059 386,451,578 80 1,499 .000608598 5 F1 44,837,367 0.8683 51,638,105 7 153 .049747153 6 F1 45,335,470 0.9539 47,526,439 6 55 .022285580 7 F1 48,296,821 0.7896 61,166,187 5 21 .157021285 8 F1 40,344,110 0.9877 40,846,522 3 4 .000089266 9 L1 22,681,542 0.9547 23,757,769 9 185 .007542268 10 L1 25,161,819 0.9367 26,862,196 5 25 .008247674 11 L1 23,727,460 0.9454 25,097,800 4 5 .000236466 RANDOM TOTALS: 1,805,815,925 1,827,131,869 363 9,049 CATG D1 EXCEPTION VALUES: 872,801 776,717 CATG L1 EXCEPTION VALUES: 19,470,648 19,174,693 TOTAL TEST VALUES (4): 1,826,159,374 1,847,083,279 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 92,354,164 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,754,729,115 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,826,159,374 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,939,437,443 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 2,105,076,162 (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
