DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:16:14 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 110/Hockley VRSN: W 110-907/Sundown ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 3,786,339 0.7661 4,942,356 7 195 .276221548 2 A 3,753,411 0.5509 6,813,235 8 96 .050307618 3 A 3,771,457 0.8371 4,505,384 8 65 .092029838 4 A 3,710,222 0.7135 5,200,031 7 45 .014485159 5 G1 828,655,798 0.9850 841,274,922 18 47 .003482948 RANDOM TOTALS: 843,677,227 862,735,928 48 448 CATG D1 EXCEPTION VALUES: 2,802,264 2,530,883 TOTAL TEST VALUES (4): 846,479,491 865,266,811 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 43,263,341 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 822,003,470 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 846,479,491 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 908,530,152 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 960,920,547 (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
