DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:18:45 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 214/Starr VRSN: W 214-902/San Isidro ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 D3 2,781,790 0.9550 2,912,869 14 1,869 .046763722 2 G1 62,746,270 0.9534 65,813,163 11 83 .005291637 3 G1 61,620,390 1.0043 61,356,557 9 26 .003868568 4 G1 73,303,160 1.0183 71,985,820 6 10 .003999231 5 G1 49,925,270 0.9713 51,400,463 2 3 .005277717 RANDOM TOTALS: 250,376,880 253,468,872 42 1,991 CATG D1 EXCEPTION VALUES: 14,356,050 15,433,944 TOTAL TEST VALUES (4): 264,732,930 268,902,816 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 13,445,141 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 255,457,675 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 264,732,930 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 282,347,957 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 321,620,586 (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
