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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:15:07                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              166/Milam                                                 VRSN:      W
                                                        166-901/Cameron ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               22,252,184        1.0120            21,988,324               15              859
           2           A               22,277,213        0.8223            27,091,345               13              452
           3           A               22,246,681        0.9306            23,905,739               14              285
           4           A               22,273,610        0.9820            22,681,884               12              159
           5           D3              57,580,407        0.9415            61,158,159               20            6,632
           6           F1               6,890,641        0.9723             7,086,950                8              148
           7           F1               6,904,433        0.9684             7,129,733                7               48
           8           F1               7,590,538        0.9351             8,117,354                6               24
           9           F1               6,231,983        0.9431             6,607,977                3                4
          10           L1               3,643,932        1.1268             3,233,876                8              125
          11           L1               3,654,314        1.2898             2,833,241                6               34
          12           L1               3,580,179        1.1745             3,048,258                7               12
          13           L1               3,632,477        1.0206             3,559,158                3                5
  RANDOM TOTALS:                      188,758,592                         198,441,998              122            8,787
  CATG J  EXCEPTION VALUES:            14,491,763                          14,761,129
  CATG D1 EXCEPTION VALUES:            21,486,200                          20,197,638
 TOTAL TEST VALUES (4):               224,736,555                         233,400,765
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                11,670,038
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 221,730,727 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  224,736,555 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 245,070,803 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  221,996,690 (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