DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:22:36 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 227/Travis VRSN: P 227-912/Lago Vista ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 140,859,997 0.9868 142,744,221 45 1,179 2 A 140,810,282 0.9772 144,095,663 46 790 3 A 141,002,870 0.9947 141,754,167 29 548 4 A 140,636,636 0.9844 142,865,335 16 225 5 C 47,697,870 1.1901 40,078,876 30 5,584 6 C 25,526,729 0.8003 31,896,450 11 1,158 7 C 38,915,173 0.8743 44,510,092 10 445 8 C 33,853,479 0.9262 36,550,938 11 120 9 D3 50,915,004 0.9448 53,889,716 20 751 RANDOM TOTALS: 760,218,040 778,385,458 218 10,800 CATG D1 EXCEPTION VALUES: 241,927 292,567 TOTAL TEST VALUES (4): 760,459,967 778,678,025 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 38,933,901 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 739,744,124 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 760,459,967 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 817,611,926 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 765,721,086 (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
