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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:55:12                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              025/Brown                                                 VRSN:      W
                                                        025-908/Brookesmith ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                  633,595        0.9665               655,556               10               28
           2           A                  579,136        0.9319               621,457               10               13
           3           A                  657,055        0.9468               693,974                8                9
           4           D3              19,333,850        0.9452            20,454,771               37            1,546
  RANDOM TOTALS:                       21,203,636                          22,425,758               65            1,596
  CATG J  EXCEPTION VALUES:             5,100,410                           5,227,345
  CATG D1 EXCEPTION VALUES:             7,183,687                           7,331,976
  CATG A  EXCEPTION VALUES:               497,890                             511,934
 TOTAL TEST VALUES (4):                33,985,623                          35,497,013
 MARGIN OF ERROR PERCENT:               5.8931606
 MARGIN OF ERROR VALUE:                 2,091,896
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  33,405,117 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   33,985,623 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  37,588,909 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   33,052,826 (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