DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:55:53 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 109/Hill VRSN: W 109-913/Blum ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 3,171,443 0.7872 4,028,764 7 107 .243180852 2 A 3,202,325 1.0097 3,171,561 9 64 .004422473 3 A 3,170,489 0.9023 3,513,786 6 43 .030096369 4 A 3,128,174 1.0240 3,054,857 6 31 .010066560 5 D3 30,086,620 0.9868 30,489,076 24 1,439 .072572479 RANDOM TOTALS: 42,759,051 44,258,044 52 1,684 CATG J EXCEPTION VALUES: 4,589,146 4,561,652 CATG D1 EXCEPTION VALUES: 6,013,336 4,971,455 TOTAL TEST VALUES (4): 53,361,533 53,791,151 MARGIN OF ERROR PERCENT: 6.8504688 MARGIN OF ERROR VALUE: 3,684,946 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 50,106,205 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 53,361,533 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 57,476,097 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 53,358,474 (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
