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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:04:25                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              093/Grimes                                                VRSN:      W
                                                        093-903/Iola ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                3,114,025        0.9399             3,313,145                8              103
           2           A                3,130,858        0.9553             3,277,356                8               56
           3           A                3,102,488        0.9467             3,277,161                6               34
           4           A                3,016,252        0.9162             3,292,133                6               22
           5           D3              41,926,780        1.0064            41,660,155               24            2,617
           6           G1               5,088,882        1.0626             4,789,085                9               38
  RANDOM TOTALS:                       59,379,285                          59,609,035               61            2,870
  CATG J  EXCEPTION VALUES:             4,909,530                           4,920,497
  CATG D1 EXCEPTION VALUES:             4,240,720                           4,560,724
  CATG G1 EXCEPTION VALUES:             4,538,518                           4,734,490
 TOTAL TEST VALUES (4):                73,068,053                          73,824,746
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 3,691,237
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  70,133,509 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   73,068,053 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  77,515,983 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   75,619,430 (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