DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:46:08 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 2,542,962 1.0000 2,542,962 12 60 .014739132 2 A 2,551,617 0.9629 2,649,929 17 36 .010216217 3 A 2,535,176 0.9657 2,625,221 15 26 .007787028 4 D3 10,016,139 0.9235 10,845,846 29 555 .063691038 5 F1 3,146,420 1.0741 2,929,355 6 8 .050358309 RANDOM TOTALS: 20,792,314 21,593,313 79 685 CATG J EXCEPTION VALUES: 1,507,867 1,575,854 CATG D1 EXCEPTION VALUES: 3,547,280 3,857,260 CATG A EXCEPTION VALUES: 2,089,150 2,105,102 TOTAL TEST VALUES (4): 27,936,611 29,131,529 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 1,456,576 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 27,674,953 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 27,936,611 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 30,588,105 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 28,119,048 (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
