DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:26:11 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 253/Zapata VRSN: P 253-901/Zapata ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 149,397,056 0.9707 153,906,517 17 5,048 2 G1 1,565,075,879 1.0023 1,561,484,465 48 816 RANDOM TOTALS: 1,714,472,935 1,715,390,982 65 5,864 CATG D1 EXCEPTION VALUES: 25,488,789 25,719,052 TOTAL TEST VALUES (4): 1,739,961,724 1,741,110,034 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 87,055,502 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,654,054,532 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,739,961,724 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,828,165,536 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,921,882,629 (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
