DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:56:29 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 016/Blanco VRSN: W 016-901/Johnson City ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 10,207,946 0.8443 12,090,425 7 193 .065213329 2 A 10,146,835 0.9930 10,218,364 7 121 .021348072 3 A 10,212,492 0.9352 10,920,115 8 85 .021312610 4 A 10,014,097 1.0008 10,006,092 6 56 .000234883 5 D3 227,600,000 0.8794 258,812,827 21 5,702 .025503326 6 F1 6,300,738 0.9616 6,552,348 7 66 .020539521 7 F1 6,431,639 1.0401 6,183,674 7 34 .003204762 8 F1 6,548,950 0.9680 6,765,444 6 18 .004173372 9 F1 5,856,546 1.0001 5,855,960 3 6 .009140363 RANDOM TOTALS: 293,319,243 327,405,249 72 6,281 CATG J EXCEPTION VALUES: 27,689,675 27,710,344 CATG D1 EXCEPTION VALUES: 22,295,120 23,352,374 TOTAL TEST VALUES (4): 343,304,038 378,467,967 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 18,923,398 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 343,304,038 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 359,544,569 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 397,391,365 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 344,532,700 (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
