DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:07:24 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 071/El Paso VRSN: W 071-908/Tornillo ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 4,860,875 1.1101 4,378,772 18 371 .005961274 2 A 4,828,337 1.0182 4,742,032 18 266 .018762732 3 A 4,841,510 0.9088 5,327,366 15 149 .024076437 4 A 4,798,896 1.0045 4,777,398 16 84 .026146390 5 D3 4,242,934 0.9867 4,300,126 17 906 .006363243 6 F1 4,002,394 0.9683 4,133,424 9 34 .009560470 RANDOM TOTALS: 27,574,946 27,659,118 93 1,810 CATG J EXCEPTION VALUES: 2,672,270 2,610,584 CATG D1 EXCEPTION VALUES: 7,074,481 7,881,324 TOTAL TEST VALUES (4): 37,321,697 38,151,026 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 1,907,551 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 36,243,475 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 37,321,697 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 40,058,577 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 41,755,552 (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
