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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:00:11                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              062/Dewitt                                                VRSN:      W
                                                        062-905/Westhoff ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                  416,134        0.8554               486,479                5               40
           2           A                  411,107        0.8828               465,685                5               18
           3           A                  450,338        0.9494               474,340                5               12
           4           A                  382,786        1.0034               381,489                4                7
           5           D3               7,210,130        0.9238             7,804,860               18            1,033
  RANDOM TOTALS:                        8,870,495                           9,612,853               37            1,110
  CATG J  EXCEPTION VALUES:               529,203                             531,634
  CATG D1 EXCEPTION VALUES:             4,068,330                           3,284,739
 TOTAL TEST VALUES (4):                13,468,028                          13,429,226
 MARGIN OF ERROR PERCENT:              11.9092046
 MARGIN OF ERROR VALUE:                 1,599,314
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  11,829,912 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   13,468,028 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  15,028,540 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   15,679,062 (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