DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:18:22 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 189/Presidio VRSN: P 189-901/Marfa ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 7,717,365 0.9276 8,319,712 16 385 2 A 7,728,068 0.9925 7,786,466 16 216 3 A 7,774,050 0.9149 8,497,158 16 144 4 A 7,670,986 0.9994 7,675,591 16 84 5 D3 10,381,409 1.0218 10,159,923 20 4,697 6 F1 2,407,469 0.9703 2,481,159 10 72 7 F1 2,519,509 0.9756 2,582,523 10 27 8 F1 4,625,640 0.9975 4,637,233 9 10 RANDOM TOTALS: 50,824,496 52,139,765 113 5,635 CATG J EXCEPTION VALUES: 15,607,481 16,079,049 CATG D1 EXCEPTION VALUES: 13,015,340 15,705,994 TOTAL TEST VALUES (4): 79,447,317 83,924,808 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 4,196,240 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 79,447,317 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 79,728,568 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 88,121,048 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 100,208,727 (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
