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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:04:03                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              091/Grayson                                               VRSN:      W
                                                        091-914/Sadler-Southmayd ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               24,111,717        0.9409            25,626,227               14              531
           2           A               24,238,602        0.9514            25,476,773               15              236
           3           A               24,030,361        0.9856            24,381,454               15              139
           4           A               24,126,099        0.9525            25,329,238               17               61
           5           D3              39,515,330        0.8453            46,747,108               27            2,828
           6           G1              48,217,622        1.0009            48,174,265               15              121
  RANDOM TOTALS:                      184,239,731                         195,735,065              103            3,916
  CATG D1 EXCEPTION VALUES:             8,085,811                           6,567,700
 TOTAL TEST VALUES (4):               192,325,542                         202,302,765
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                10,115,138
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 192,187,627 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  192,325,542 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 212,417,903 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  212,056,220 (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