DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:57:06 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 113/Houston VRSN: W 113-905/Latexo ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 10,191,437 0.9499 10,728,958 10 281 .007951694 2 A 10,088,453 0.9714 10,385,478 8 141 .049628637 3 A 10,213,510 0.8248 12,383,014 7 88 .018240720 4 A 10,065,282 0.9664 10,415,234 7 49 .003502781 5 D3 23,129,720 1.0022 23,078,946 20 1,573 .013778086 RANDOM TOTALS: 63,688,402 66,991,630 52 2,132 CATG J EXCEPTION VALUES: 4,716,690 4,806,123 CATG D1 EXCEPTION VALUES: 9,434,780 9,557,769 TOTAL TEST VALUES (4): 77,839,872 81,355,522 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 4,067,776 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 77,287,746 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 77,839,872 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 85,423,298 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 95,082,380 (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
