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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:24:21                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              241/Wharton                                               VRSN:      P
                                                        241-903/El Campo ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               61,995,640        0.8191            75,687,511               11            1,910
           2           A               61,979,595        0.8395            73,829,178               11              979
           3           A               62,020,239        0.8227            75,386,215               11              667
           4           A               61,953,396        0.8809            70,329,658               11              391
           5           D3              49,939,300        1.0334            48,325,237               21            6,998
           6           F1              14,323,115        0.8915            16,066,310                9              269
           7           F1              14,370,559        0.9830            14,619,083                8              101
           8           F1              14,366,175        0.7065            20,334,289                6               38
           9           F1              14,129,812        0.8971            15,750,543                5               12
          10           G1             190,649,126        1.0097           188,817,595               20              314
          11           L1              10,869,084        1.0048            10,817,162                7              262
          12           L1              10,836,080        1.0626            10,197,704                7               62
          13           L1              11,599,993        0.9296            12,478,478                6               23
          14           L1              10,027,352        0.9831            10,199,727                3                6
  RANDOM TOTALS:                      589,059,466                         642,838,690              136           12,032
  CATG J  EXCEPTION VALUES:            28,745,252                          29,813,256
  CATG D1 EXCEPTION VALUES:            63,625,600                          51,371,320
  CATG G1 EXCEPTION VALUES:            29,658,744                          29,594,731
 TOTAL TEST VALUES (4):               711,089,062                         753,617,997
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                37,680,900
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                  711,089,062 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:                 715,937,097 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                 791,298,897 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  739,977,995 (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