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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:02:35                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              079/Fort Bend                                             VRSN:      W
                                                        079-910/Stafford MSD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               97,365,899        0.9614           101,275,119               17              987
           2           A               97,462,063        0.9765            99,807,540               29              730
           3           A               97,419,394        0.9760            99,814,953               17              585
           4           A               97,370,087        0.9547           101,990,245               12              480
           5           B              131,453,680        1.0921           120,367,805                9               86
           6           F1             114,286,390        0.8967           127,452,203               10              228
           7           F1             117,005,587        0.9373           124,832,590                9               70
           8           F1             114,186,383        0.9788           116,659,566                8               27
           9           F1             112,093,675        0.9175           122,172,943                5               10
          10           L1              63,222,915        1.0123            62,454,722                7              814
          11           L1              64,174,249        0.9752            65,806,244                7               98
          12           L1              62,740,896        1.0229            61,336,295                6               28
          13           L1              62,687,454        1.0156            61,724,551                4                7
  RANDOM TOTALS:                    1,231,468,672                       1,265,694,776              140            4,150
  CATG D1 EXCEPTION VALUES:                55,630                              53,537
 TOTAL TEST VALUES (4):             1,231,524,302                       1,265,748,313
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                63,287,416
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:               1,202,460,897 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                1,231,524,302 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:               1,329,035,729 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                1,497,492,928 (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