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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:54:14                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              019/Bowie                                                 VRSN:      W
                                                        019-907/Texarkana ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              142,706,390        0.9304           153,381,761               32            3,668
           2           A              142,698,543        0.9683           147,370,178               43            1,951
           3           A              142,595,658        0.9892           144,152,505               43            1,322
           4           A              142,692,869        0.9955           143,337,890               29              702
           5           F1              96,361,646        0.9879            97,541,903               11              538
           6           F1              96,225,341        1.0269            93,704,685                7              154
           7           F1              96,325,608        1.0421            92,434,131                7               53
           8           F1              95,639,396        1.0567            90,507,614                5               12
           9           L1              50,356,437        0.9649            52,188,244                7              566
          10           L1              50,582,170        0.9737            51,948,413                8              136
          11           L1              51,693,199        0.9896            52,236,458                7               42
          12           L1              48,105,476        0.9332            51,548,946                5               10
  RANDOM TOTALS:                    1,155,982,733                       1,170,352,728              204            9,154
  CATG D1 EXCEPTION VALUES:             1,114,847                             739,593
 TOTAL TEST VALUES (4):             1,157,097,580                       1,171,092,321
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                58,554,616
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:               1,112,537,705 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                1,157,097,580 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:               1,229,646,937 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                1,384,219,242 (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