DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:07:16 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 071/El Paso VRSN: W 071-905/Ysleta ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 774,159,313 0.9007 859,508,508 62 13,100 .012988322 2 A 774,078,803 0.9528 812,425,276 61 10,682 .005321213 3 A 774,198,153 0.9254 836,609,199 61 8,770 .010334650 4 A 773,937,926 0.9050 855,180,029 62 5,937 .010211734 5 B 75,134,308 0.8930 84,136,963 23 1,363 .101766577 6 B 75,320,372 0.9403 80,102,491 23 599 .007800413 7 B 76,411,925 0.8658 88,255,862 10 63 .016922357 8 B 73,513,137 0.9342 78,691,005 10 15 .010536037 9 F1 276,466,301 0.9232 299,465,231 11 657 .023332729 10 F1 275,215,181 0.9296 296,057,639 9 231 .011461308 11 F1 278,009,211 0.8884 312,932,475 8 101 .005045298 12 F1 273,270,183 0.9404 290,589,306 8 35 .007493406 13 L1 589,010,451 0.9915 594,059,961 11 4,602 .064905132 RANDOM TOTALS: 5,088,725,264 5,488,013,945 359 46,155 CATG D1 EXCEPTION VALUES: 829,936 1,012,085 TOTAL TEST VALUES (4): 5,089,555,200 5,489,026,030 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 274,451,302 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 5,089,555,200 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 5,214,574,728 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 5,763,477,332 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 4,759,443,293 (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
