DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:46:20 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 070/Ellis VRSN: W 070-908/Midlothian ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 275,957,382 1.0180 271,077,978 56 2,318 .004506240 2 A 275,834,404 1.0214 270,055,222 57 1,589 .014439624 3 A 276,043,745 1.0080 273,852,922 57 1,153 .003008000 4 A 275,740,215 1.0062 274,041,160 56 748 .001949759 5 D3 84,437,790 1.0715 78,803,350 19 2,386 .048282955 RANDOM TOTALS: 1,188,013,536 1,167,830,632 245 8,194 CATG D1 EXCEPTION VALUES: 4,964,350 4,040,503 TOTAL TEST VALUES (4): 1,192,977,886 1,171,871,135 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 58,593,557 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,113,277,578 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,192,977,886 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,230,464,692 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 2,048,224,086 (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
