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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:23:29                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              230/Upshur                                                VRSN:      W
                                                        230-904/Union Hill ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                3,581,618        0.8175             4,381,184               10              142
           2           A                3,578,806        0.8483             4,218,798               10               81
           3           A                3,604,950        0.9601             3,754,765                9               58
           4           A                3,550,709        0.8737             4,063,991                9               39
           5           D3              28,065,044        0.7144            39,284,776               21            1,790
           6           G1               7,397,973        1.0017             7,385,418               14               30
  RANDOM TOTALS:                       49,779,100                          63,088,932               73            2,140
  CATG D1 EXCEPTION VALUES:             4,718,536                           3,650,770
  CATG G1 EXCEPTION VALUES:            19,692,403                          17,710,404
 TOTAL TEST VALUES (4):                74,190,039                          84,450,106
 MARGIN OF ERROR PERCENT:              13.8438666
 MARGIN OF ERROR VALUE:                11,691,160
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  72,758,946 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   74,190,039 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  96,141,266 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   67,686,847 (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