DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:22:38 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 227/Travis VRSN: P 227-913/Lake Travis ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 727,091,875 0.9800 741,930,485 65 3,761 2 A 725,931,343 0.9793 741,275,751 65 2,385 3 A 726,495,939 0.9867 736,288,577 65 1,608 4 A 726,389,070 0.9924 731,951,904 62 752 5 C 68,584,515 0.6494 105,612,127 10 3,227 6 C 68,688,550 0.7562 90,833,840 9 891 7 C 68,458,719 0.9144 74,867,365 9 470 8 C 68,508,867 0.9288 73,760,623 7 127 9 D3 160,433,477 0.9127 175,778,982 15 1,765 10 F1 66,988,540 0.9860 67,939,696 9 182 11 F1 67,358,277 0.9569 70,392,180 6 46 12 F1 68,256,507 0.8496 80,339,580 6 16 13 F1 65,309,515 0.8658 75,432,565 5 6 RANDOM TOTALS: 3,608,495,194 3,766,403,675 333 15,236 CATG D1 EXCEPTION VALUES: 1,888,408 2,219,946 TOTAL TEST VALUES (4): 3,610,383,602 3,768,623,621 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 188,431,181 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 3,580,192,440 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 3,610,383,602 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 3,957,054,802 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 3,580,440,194 (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
