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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:03:47                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              091/Grayson                                               VRSN:      W
                                                        091-903/Denison ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              137,415,640        1.0815           127,060,231               38            3,950
           2           A              137,428,261        1.0146           135,450,681               57            2,133
           3           A              137,414,295        0.9975           137,758,692               37            1,389
           4           A              137,373,598        1.0090           136,148,264               37              725
           5           D3              46,568,470        1.1562            40,277,175               16            2,453
           6           F1              40,267,722        1.0580            38,060,229               15              413
           7           F1              40,864,627        0.8978            45,516,403                9               91
           8           F1              42,892,774        0.8518            50,355,452                7               22
           9           L1              22,279,274        0.9825            22,676,106                7              339
          10           L1              22,297,986        0.9976            22,351,630                7               77
          11           L1              22,631,700        0.9596            23,584,514                7               24
  RANDOM TOTALS:                      787,434,347                         779,239,377              237           11,616
  CATG D1 EXCEPTION VALUES:             3,830,463                           2,920,234
  CATG F1 EXCEPTION VALUES:            34,906,069                          36,069,802
  CATG L1 EXCEPTION VALUES:            53,379,628                          53,323,467
 TOTAL TEST VALUES (4):               879,550,507                         871,552,880
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                43,577,644
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 827,975,236 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  879,550,507 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 915,130,524 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  911,306,403 (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