DATE: 01/27/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:59:27 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 071/El Paso VRSN: W 071-902/El Paso ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 1,624,338,153 0.9366 1,734,292,284 65 24,152 .007543339 2 A 1,624,285,818 0.9312 1,744,293,189 65 16,560 .009028284 3 A 1,624,269,076 0.9297 1,747,089,465 64 11,057 .004565960 4 A 1,624,160,415 0.9236 1,758,510,627 64 5,545 .005192386 5 B 146,692,178 0.8704 168,534,212 27 1,918 .015251022 6 B 146,571,535 0.8838 165,842,425 22 851 .057075600 7 B 151,644,808 0.8982 168,831,895 11 93 .014618518 8 B 141,457,444 0.9494 148,996,676 7 16 .002219361 9 F1 545,038,298 0.8780 620,772,549 14 1,962 .037015975 10 F1 545,656,506 0.8769 622,256,250 7 504 .027759836 11 F1 548,296,204 0.9251 592,688,579 10 157 .014366109 12 F1 540,840,866 0.8798 614,731,605 6 35 .001807977 13 L1 1,207,672,717 1.1474 1,052,529,821 11 10,741 .015983534 RANDOM TOTALS: 10,470,924,018 11,139,369,577 373 73,591 CATG D1 EXCEPTION VALUES: 285,927 348,164 TOTAL TEST VALUES (4): 10,471,209,945 11,139,717,741 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 556,985,887 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 10,471,209,945 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 10,582,731,854 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 11,696,703,628 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 10,171,864,735 (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
