DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:23:10 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 240/Webb VRSN: W 240-903/United ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 684,437,566 0.9607 712,436,313 43 8,666 .004669639 2 A 684,188,572 0.9582 714,035,245 45 6,035 .005711298 3 A 684,172,782 0.9695 705,696,526 44 4,356 .004201691 4 A 684,043,085 0.9817 696,794,423 44 2,302 .003139760 5 C 66,489,717 0.9508 69,930,287 7 3,914 .014447219 6 C 66,377,688 0.9336 71,098,638 8 2,441 .008196808 7 C 66,533,008 0.9384 70,900,477 7 684 .005344673 8 C 66,257,853 0.9426 70,292,651 9 170 .060751015 9 D3 172,395,990 0.7620 226,241,457 10 6,402 .126686505 10 F1 378,480,648 0.9611 393,799,446 13 1,167 .026832392 11 F1 378,524,332 0.9701 390,191,044 7 391 .005368270 12 F1 380,559,180 0.9991 380,901,992 7 153 .012792703 13 F1 374,084,341 0.9387 398,513,200 6 40 .002477592 14 G1 186,394,450 1.1464 162,591,111 7 856 .033518342 15 G1 186,319,720 1.0227 182,184,140 7 311 .020940906 16 G1 186,429,250 0.9652 193,150,901 7 145 .008091945 17 G1 185,830,350 0.9903 187,650,560 6 60 .002748143 18 L1 108,940,564 0.9028 120,669,654 7 1,161 .040384857 19 L1 109,002,211 0.9996 109,045,829 7 265 .000369682 20 L1 110,461,142 0.9279 119,044,231 6 74 .003554125 21 L1 107,196,540 1.0648 100,672,934 5 20 .003561878 RANDOM TOTALS: 5,867,118,989 6,075,841,059 302 39,613 CATG D1 EXCEPTION VALUES: 68,175,130 103,907,428 TOTAL TEST VALUES (4): 5,935,294,119 6,179,748,487 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 308,987,424 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 5,870,761,063 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 5,935,294,119 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 6,488,735,911 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 6,541,623,400 (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
