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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:54:56                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              027/Burnet                                                VRSN:      P
                                                        027-904/Marble Falls ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              266,651,838        0.9925           268,666,839               64            3,031
           2           A              266,710,931        0.9950           268,051,187               62            1,540
           3           A              266,704,259        0.9644           276,549,418               44              960
           4           A              266,326,654        0.9111           292,313,307               14              445
           5           C               32,080,436        1.0516            30,506,310               41            4,854
           6           C               32,099,951        1.0323            31,095,564               14              740
           7           C               35,745,535        1.0888            32,830,212                8              324
           8           C               28,321,133        0.8468            33,444,890                7              107
           9           D3             177,905,966        0.9043           196,733,347               32            4,471
          10           F1              40,801,606        0.8185            49,849,244                7              275
          11           F1              40,923,183        0.9599            42,632,757                7              107
          12           F1              41,679,827        0.9496            43,891,983                6               44
          13           F1              39,968,725        1.1276            35,445,836                5               11
  RANDOM TOTALS:                    1,535,920,044                       1,602,010,894              311           16,909
  CATG D1 EXCEPTION VALUES:            10,599,046                          11,816,425
 TOTAL TEST VALUES (4):             1,546,519,090                       1,613,827,319
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                80,691,366
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:               1,533,135,953 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                1,546,519,090 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:               1,694,518,685 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                1,612,806,474 (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