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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:03:59                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              091/Grayson                                               VRSN:      W
                                                        091-910/Whitewright ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               15,830,389        0.9476            16,705,771               13              377
           2           A               15,767,543        0.9350            16,863,682               15              216
           3           A               15,896,754        1.0203            15,580,470               14              150
           4           A               15,716,205        0.9367            16,778,269               12               86
           5           D3              30,723,059        0.9655            31,820,879               21            1,825
           6           F1               1,570,335        0.8716             1,801,669                8               40
           7           F1               1,677,636        0.9543             1,757,975                6               16
           8           F1               1,540,787        0.9801             1,572,071                5                7
  RANDOM TOTALS:                       98,722,708                         102,880,786               94            2,717
  CATG J  EXCEPTION VALUES:             6,133,170                           6,357,309
  CATG D1 EXCEPTION VALUES:             5,867,054                           4,824,018
  CATG F1 EXCEPTION VALUES:             1,810,541                           1,911,073
 TOTAL TEST VALUES (4):               112,533,473                         115,973,186
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 5,798,659
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 110,174,527 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  112,533,473 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 121,771,845 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  108,756,565 (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