DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:16:46 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 178/Nueces VRSN: P 178-909/Robstown ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 31,354,218 0.8749 35,837,488 19 1,561 2 A 31,383,213 0.8935 35,123,909 17 989 3 A 31,375,293 0.9712 32,305,697 15 640 4 A 31,358,327 0.9595 32,681,946 18 358 5 D3 11,308,314 0.9541 11,852,336 10 999 6 F1 8,170,027 0.8330 9,807,956 7 166 7 F1 8,092,764 0.9210 8,786,932 7 56 8 F1 8,797,827 0.9530 9,231,718 7 23 9 F1 7,483,166 0.9835 7,608,710 6 7 10 L1 8,588,415 0.9653 8,897,146 7 154 11 L1 8,580,803 1.0533 8,146,590 6 31 12 L1 8,854,888 1.0821 8,183,059 5 11 RANDOM TOTALS: 195,347,255 208,463,487 124 4,995 CATG J EXCEPTION VALUES: 14,342,360 14,113,236 CATG D1 EXCEPTION VALUES: 15,149,881 13,322,967 CATG L1 EXCEPTION VALUES: 4,427,452 4,437,784 TOTAL TEST VALUES (4): 229,266,948 240,337,474 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 12,016,874 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 228,320,600 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 229,266,948 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 252,354,348 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 221,803,609 (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
