DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:37:32 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 025/Brown VRSN: W 025-906/Zephyr ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 789,599 0.9863 800,567 8 50 .000926104 2 A 792,110 0.9861 803,276 7 24 .000623220 3 A 771,120 0.9704 794,641 7 15 .000789659 4 A 742,125 0.9807 756,730 7 8 .000272105 5 D3 12,704,250 0.9688 13,113,388 37 819 .040117099 RANDOM TOTALS: 15,799,204 16,268,602 66 916 CATG J EXCEPTION VALUES: 6,429,780 6,593,385 CATG D1 EXCEPTION VALUES: 3,296,500 3,114,437 TOTAL TEST VALUES (4): 25,525,484 25,976,424 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 1,298,821 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 24,677,603 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 25,525,484 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 27,275,245 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 24,893,238 (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
