DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:59:04 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 030/Callahan VRSN: W 030-903/Baird ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 5,868,101 0.9791 5,993,362 11 286 .003860341 2 A 5,886,621 0.9272 6,348,815 12 161 .006289910 3 A 5,835,208 0.9407 6,203,049 11 103 .003425350 4 A 5,829,225 0.9748 5,979,919 10 56 .000906270 5 D3 21,197,098 1.0264 20,651,888 36 2,376 .039605770 6 F1 1,374,649 0.9783 1,405,141 8 70 .000497591 7 F1 1,354,893 0.9697 1,397,229 5 19 .000785832 8 F1 1,575,251 0.9773 1,611,840 3 6 .000213584 9 L1 709,199 0.9702 730,982 6 31 .001829693 10 L1 736,569 0.9619 765,744 5 10 .001439873 11 L1 804,711 0.9739 826,277 5 6 .000768727 RANDOM TOTALS: 51,171,525 51,914,246 112 3,124 CATG J EXCEPTION VALUES: 10,799,150 13,801,298 CATG D1 EXCEPTION VALUES: 10,982,634 10,099,041 CATG F1 EXCEPTION VALUES: 1,300,240 1,347,206 CATG L1 EXCEPTION VALUES: 298,170 313,579 TOTAL TEST VALUES (4): 74,551,719 77,475,370 MARGIN OF ERROR PERCENT: 5.0000006 MARGIN OF ERROR VALUE: 3,873,769 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 73,601,601 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 74,551,719 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 81,349,139 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 78,653,083 (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
