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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:03:49                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              091/Grayson                                               VRSN:      W
                                                        091-905/Howe ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               23,706,127        0.9434            25,128,394               17              432
           2           A               23,735,474        0.9221            25,740,672               14              276
           3           A               23,739,555        1.0013            23,708,734               14              196
           4           A               23,591,382        1.0438            22,601,439               19              124
           5           D3              25,958,533        0.9252            28,057,212               18            1,341
  RANDOM TOTALS:                      120,731,071                         125,236,451               82            2,369
  CATG J  EXCEPTION VALUES:             6,899,724                           6,974,741
  CATG D1 EXCEPTION VALUES:             6,484,121                           5,468,010
 TOTAL TEST VALUES (4):               134,114,916                         137,679,202
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 6,883,960
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 130,795,242 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  134,114,916 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 144,563,162 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  136,701,884 (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