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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:54:26                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              019/Bowie                                                 VRSN:      W
                                                        019-913/Hubbard ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                  797,620        0.9022               884,083                6               25
           2           A                  761,030        0.9858               771,992                5               14
           3           A                  823,933        0.9632               855,412                9               11
           4           A                  752,051        0.9911               758,804                4                6
           5           D3              10,248,304        1.0007            10,241,135               10              396
  RANDOM TOTALS:                       13,382,938                          13,511,426               34              452
  CATG J  EXCEPTION VALUES:               566,550                             569,015
  CATG D1 EXCEPTION VALUES:             1,033,656                             856,409
 TOTAL TEST VALUES (4):                14,983,144                          14,936,850
 MARGIN OF ERROR PERCENT:               5.0000033
 MARGIN OF ERROR VALUE:                   746,843
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  14,190,007 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   14,983,144 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  15,683,693 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   11,352,308 (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