DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:04:52 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 156/Martin VRSN: W 058-909/Sands ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 D3 10,638,846 0.9863 10,786,623 17 1,527 .010708580 2 G1 19,253,400 1.0471 18,387,356 9 52 .008310332 3 G1 19,608,767 1.0593 18,511,061 5 10 .004096753 4 G1 21,953,633 0.9794 22,415,390 3 4 .000071419 RANDOM TOTALS: 71,454,646 70,100,430 34 1,593 CATG J EXCEPTION VALUES: 1,522,494 1,675,248 CATG D1 EXCEPTION VALUES: 7,736,870 11,050,081 CATG G1 EXCEPTION VALUES: 34,606,893 33,988,173 TOTAL TEST VALUES (4): 115,320,903 116,813,932 MARGIN OF ERROR PERCENT: 5.0000003 MARGIN OF ERROR VALUE: 5,840,697 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 110,973,235 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 115,320,903 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 122,654,629 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 127,942,626 (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
