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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:03:57                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              091/Grayson                                               VRSN:      W
                                                        091-909/Whitesboro ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               39,868,492        1.0847            36,755,317               23            1,333
           2           A               39,862,362        0.9473            42,079,977               24              700
           3           A               39,932,599        0.9633            41,453,959               23              452
           4           A               39,788,138        0.9917            40,121,143               17              254
           5           D3              68,005,225        0.9656            70,427,946               46            3,723
           6           F1               5,830,843        0.9325             6,252,915                8               81
           7           F1               6,006,437        0.9945             6,039,655                6               26
           8           F1               5,940,271        0.8781             6,764,914                7               12
           9           F1               5,330,833        0.9410             5,665,072                2                5
          10           G1              17,188,671        1.1973            14,356,194               16              136
          11           L1               3,610,780        0.9344             3,864,277                7              165
          12           L1               3,577,548        1.0826             3,304,589                6               43
          13           L1               3,878,673        1.0235             3,789,617                6               14
          14           L1               3,294,223        1.0034             3,283,061                3                5
  RANDOM TOTALS:                      282,115,095                         284,158,636              194            6,949
  CATG D1 EXCEPTION VALUES:             8,190,421                           6,239,194
 TOTAL TEST VALUES (4):               290,305,516                         290,397,830
 MARGIN OF ERROR PERCENT:               5.0000002
 MARGIN OF ERROR VALUE:                14,519,892
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 275,877,938 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  290,305,516 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 304,917,722 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  267,217,163 (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