DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:07:26 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 071/El Paso VRSN: W 071-909/Socorro ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 731,773,557 0.9395 778,896,814 57 9,378 .011207712 2 A 731,695,148 0.9538 767,136,871 58 7,461 .003840198 3 A 732,001,852 0.9664 757,452,248 57 5,921 .005457004 4 A 731,453,821 0.9589 762,805,111 56 3,422 .009326309 5 F1 137,348,716 1.0427 131,724,097 9 248 .003742333 6 F1 135,725,139 0.7813 173,717,060 7 59 .018033538 7 F1 137,892,895 0.8952 154,035,852 7 31 .005267941 8 F1 134,137,826 0.9201 145,786,138 7 17 .019124085 9 L1 515,059,190 1.0984 468,917,689 11 1,945 .075541639 RANDOM TOTALS: 3,987,088,144 4,140,471,880 269 28,482 CATG D1 EXCEPTION VALUES: 3,013,984 3,643,087 TOTAL TEST VALUES (4): 3,990,102,128 4,144,114,967 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 207,205,748 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 3,936,909,219 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 3,990,102,128 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 4,351,320,715 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 4,172,692,802 (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
