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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:55:04                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              025/Brown                                                 VRSN:      W
                                                        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               70,999,004        0.9863            71,985,201               41            2,829
           2           A               70,950,728        0.9288            76,389,673               42            1,354
           3           A               71,068,026        0.9361            75,919,267               30              861
           4           A               70,884,978        0.8802            80,532,808               16              465
           5           D3              30,631,893        0.9534            32,129,110               15            1,585
           6           F1              28,256,783        0.9901            28,539,322               10              359
           7           F1              28,169,010        0.9220            30,552,072                8              106
           8           F1              29,751,672        0.9736            30,558,414                9               27
           9           L1              20,392,484        0.9547            21,360,096               11              372
          10           L1              20,368,112        0.9655            21,095,921               13               91
          11           L1              20,289,677        1.0039            20,210,855                6               30
  RANDOM TOTALS:                      461,762,367                         489,272,739              201            8,079
  CATG J  EXCEPTION VALUES:            37,149,100                          37,084,298
  CATG D1 EXCEPTION VALUES:             4,948,083                           5,100,703
  CATG F1 EXCEPTION VALUES:            25,235,340                          26,066,674
  CATG L1 EXCEPTION VALUES:            23,341,390                          22,914,229
 TOTAL TEST VALUES (4):               552,436,280                         580,438,643
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                29,021,932
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 551,416,711 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  552,436,280 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 609,460,575 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  781,209,422 (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