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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:52:31                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              008/Austin                                                VRSN:      W
                                                        008-903/Brazos ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               64,975,144        0.9621            67,534,709               12            1,275
           2           D3              36,263,701        0.9288            39,043,606               10            1,624
           3           G1             236,849,950        0.9925           238,639,748               13               51
  RANDOM TOTALS:                      338,088,795                         345,218,063               35            2,950
  CATG J  EXCEPTION VALUES:            17,882,560                          18,515,352
  CATG D1 EXCEPTION VALUES:            12,641,945                          10,119,765
 TOTAL TEST VALUES (4):               368,613,300                         373,853,180
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                18,692,659
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 355,160,521 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  368,613,300 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 392,545,839 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  367,520,684 (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