DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:36:19 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 210/Shelby VRSN: W 210-901/Center ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 27,133,885 0.8802 30,826,954 11 944 .075981186 2 A 27,180,184 1.0251 26,514,666 12 540 .079273977 3 A 27,169,587 0.9220 29,468,099 16 342 .044950664 4 A 27,042,341 1.0051 26,905,125 9 183 .055044994 5 D3 64,822,523 0.9860 65,742,924 20 4,635 .088766633 6 F1 11,168,213 0.8866 12,596,676 7 234 .015051286 7 F1 11,094,093 0.7840 14,150,629 7 98 .063923403 8 F1 11,605,349 1.0170 11,411,356 6 44 .013761019 9 F1 10,611,978 0.8530 12,440,771 5 13 .018624638 10 L1 9,421,463 0.9046 10,415,060 8 224 .044046060 11 L1 9,580,042 0.8711 10,997,637 6 48 .055322414 12 L1 10,903,899 1.0024 10,877,792 4 12 .005507103 RANDOM TOTALS: 247,733,557 262,347,689 111 7,317 CATG J EXCEPTION VALUES: 16,890,792 17,983,972 CATG D1 EXCEPTION VALUES: 23,871,472 20,410,288 CATG L1 EXCEPTION VALUES: 10,351,215 10,377,680 TOTAL TEST VALUES (4): 298,847,036 311,119,629 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 15,555,981 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 295,563,648 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 298,847,036 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 326,675,610 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 328,485,504 (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
