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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:25:57                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              250/Wood                                                  VRSN:      P
                                                        250-906/Alba-Golden ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               24,310,277        0.7784            31,231,086                7              501
           2           A               24,310,698        0.8905            27,300,054                9              280
           3           A               24,324,606        0.9087            26,768,577               11              184
           4           A               24,209,034        0.9810            24,677,914               11              100
           5           D3              53,444,677        1.1653            45,863,449               24            2,470
           6           F1               2,659,335        0.8913             2,983,659                9               50
           7           F1               2,770,187        0.8253             3,356,582                6               20
           8           F1               2,665,131        0.9351             2,850,103                9               10
  RANDOM TOTALS:                      158,693,945                         165,031,424               86            3,615
  CATG D1 EXCEPTION VALUES:             5,889,830                           3,498,572
  CATG F1 EXCEPTION VALUES:             2,293,110                           2,242,638
 TOTAL TEST VALUES (4):               166,876,885                         170,772,634
 MARGIN OF ERROR PERCENT:               9.2716846
 MARGIN OF ERROR VALUE:                15,833,500
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 154,939,134 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  166,876,885 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 186,606,134 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  151,360,553 (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