DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:20:42 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 226/Tom Green VRSN: W 226-906/Wall ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 19,792,842 0.9030 21,918,983 8 330 .018879882 2 A 19,727,125 0.9994 19,738,968 9 201 .002050316 3 A 19,867,663 1.0103 19,665,112 11 144 .001568600 4 A 19,635,326 0.9891 19,851,710 9 72 .000549468 5 D3 22,961,149 0.8807 26,071,476 23 2,335 .124558627 6 F1 1,894,167 0.8894 2,129,713 7 31 .004103014 7 F1 1,885,255 0.8877 2,123,752 9 15 .004358810 8 F1 1,791,517 0.7934 2,258,025 7 8 .030740407 RANDOM TOTALS: 107,555,044 113,757,739 83 3,136 CATG J EXCEPTION VALUES: 1,335,470 1,117,247 CATG D1 EXCEPTION VALUES: 29,563,000 29,326,848 CATG F1 EXCEPTION VALUES: 1,642,100 2,187,262 TOTAL TEST VALUES (4): 140,095,614 146,389,096 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 7,319,455 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 139,069,641 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 140,095,614 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 153,708,551 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 147,286,074 (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
