DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:46:22 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 070/Ellis VRSN: W 070-909/Milford ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 3,822,684 1.0026 3,812,771 20 117 .068543990 2 A 3,801,588 0.8846 4,297,522 15 67 .023447045 3 A 3,809,463 0.9577 3,977,721 16 49 .041435223 4 A 3,698,948 0.9764 3,788,353 18 28 .017563081 5 D3 10,858,690 1.0053 10,801,442 21 828 .101063526 RANDOM TOTALS: 25,991,373 26,677,809 90 1,089 CATG J EXCEPTION VALUES: 6,227,518 7,191,672 CATG D1 EXCEPTION VALUES: 3,897,590 3,320,216 TOTAL TEST VALUES (4): 36,116,481 37,189,697 MARGIN OF ERROR PERCENT: 5.0000004 MARGIN OF ERROR VALUE: 1,859,485 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 35,330,212 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 36,116,481 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 39,049,182 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 36,578,085 (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
