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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:54:36                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              025/Brown                                                 VRSN:      P
                                                        025-902/Brownwood ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               71,027,604        0.9863            72,014,199               41            2,829
           2           A               70,979,310        0.9208            77,084,394               43            1,354
           3           A               71,096,655        0.9361            75,949,850               30              861
           4           A               70,913,533        0.8802            80,565,250               16              465
           5           D3              30,698,643        0.9534            32,199,122               15            1,592
           6           F1              28,272,813        0.9901            28,555,513               10              359
           7           F1              28,184,990        0.9220            30,569,403                8              106
           8           F1              29,768,550        0.9736            30,575,750                9               27
           9           L1              20,476,183        0.9377            21,836,603               11              372
          10           L1              20,451,710        0.9432            21,683,323               13               91
          11           L1              20,372,954        1.0039            20,293,808                6               30
  RANDOM TOTALS:                      462,242,945                         491,327,215              202            8,086
  CATG J  EXCEPTION VALUES:            37,149,100                          37,533,537
  CATG D1 EXCEPTION VALUES:             4,961,433                           5,114,394
  CATG F1 EXCEPTION VALUES:            25,235,340                          26,066,674
  CATG L1 EXCEPTION VALUES:            23,341,390                          22,914,229
 TOTAL TEST VALUES (4):               552,930,208                         582,956,049
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                29,147,802
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                  552,930,208 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:                 553,808,247 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                 612,103,851 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  785,715,366 (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