DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:43:55 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 057/Dallas VRSN: W 057-920/Wilmer-Hutchins ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 68,388,329 1.0948 62,466,504 9 1,649 .016610400 2 A 68,307,414 1.1600 58,885,702 10 1,118 .013974404 3 A 69,948,597 1.1132 62,835,606 20 993 .026330268 4 A 66,729,191 1.0053 66,377,391 33 729 .006089009 5 C 8,953,575 0.9990 8,962,538 7 797 .005932417 6 C 8,960,363 1.0977 8,162,852 7 174 .009057049 7 C 9,141,063 1.0414 8,777,668 7 50 .002085715 8 C 8,671,948 0.9892 8,766,628 7 15 .008543741 9 F1 36,119,063 0.9225 39,153,456 12 134 .073614639 10 F1 37,076,506 0.8327 44,525,647 9 32 .063591476 11 F1 40,128,526 0.9013 44,522,940 6 12 .121664726 12 F1 31,590,710 1.0255 30,805,178 3 4 .004861132 13 L1 31,289,212 0.8003 39,096,854 11 102 .102593369 14 L1 31,136,341 0.9515 32,723,427 7 14 .056605823 RANDOM TOTALS: 516,440,838 516,062,391 148 5,823 CATG D1 EXCEPTION VALUES: 2,247,638 2,665,837 CATG L1 EXCEPTION VALUES: 61,955,010 61,201,799 TOTAL TEST VALUES (4): 580,643,486 579,930,027 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 28,996,501 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 550,933,526 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 580,643,486 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 608,926,528 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 623,105,523 (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
