DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:06:40 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 070/Ellis VRSN: W 070-901/Avalon ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 2,488,235 1.0000 2,488,235 12 60 .014739132 2 A 2,496,704 0.9379 2,662,015 17 36 .015495963 3 A 2,480,616 0.9251 2,681,457 15 26 .014206479 4 D3 10,058,520 0.9030 11,139,003 29 552 .084183583 5 F1 3,095,090 1.0741 2,881,566 6 7 .050358309 RANDOM TOTALS: 20,619,165 21,852,276 79 681 CATG J EXCEPTION VALUES: 1,507,867 1,619,654 CATG D1 EXCEPTION VALUES: 3,547,280 4,347,073 CATG A EXCEPTION VALUES: 2,089,150 2,105,102 TOTAL TEST VALUES (4): 27,763,462 29,924,105 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 1,496,205 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 27,763,462 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 28,427,900 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 31,420,310 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 28,396,823 (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
