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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:54:06                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              019/Bowie                                                 VRSN:      W
                                                        019-902/Hooks ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               17,085,542        1.1016            15,509,751                7              511
           2           A               17,079,212        1.0248            16,665,898               12              280
           3           A               17,028,989        0.9978            17,066,535                8              197
           4           A               17,041,641        1.0297            16,550,103               10              125
           5           D3              20,827,450        0.9502            21,919,017               10              847
           6           F1               1,964,128        0.9779             2,008,516                6               39
           7           F1               2,057,840        0.9719             2,117,337                5               18
           8           F1               2,071,086        0.9689             2,137,564                4                9
           9           F1               1,733,955        0.9921             1,747,762                3                4
  RANDOM TOTALS:                       96,889,843                          95,722,483               65            2,030
  CATG D1 EXCEPTION VALUES:             4,480,984                           3,276,392
 TOTAL TEST VALUES (4):               101,370,827                          98,998,875
 MARGIN OF ERROR PERCENT:               5.0000003
 MARGIN OF ERROR VALUE:                 4,949,944
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  94,048,931 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  101,370,827 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 103,948,819 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  100,265,150 (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