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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:10:52                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              133/Kerr                                                  VRSN:      P
                                                        133-901/Center Point ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               11,627,319        0.9899            11,745,953                9              304
           2           A               11,587,304        0.9376            12,358,473                9              177
           3           A               11,580,046        0.9065            12,774,458                9              112
           4           A               11,578,916        0.9922            11,669,942                8               65
           5           D3              66,379,143        0.8664            76,614,893               20            2,045
           6           F1               1,423,958        0.9444             1,507,791                7               26
           7           F1               1,621,548        0.8119             1,997,226                6                9
           8           F1               1,326,750        0.8745             1,517,153                3                4
           9           F1               3,390,903        0.9772             3,470,019                2                3
  RANDOM TOTALS:                      120,515,887                         133,655,908               73            2,745
  CATG D1 EXCEPTION VALUES:             3,116,060                           3,086,921
 TOTAL TEST VALUES (4):               123,631,947                         136,742,829
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 6,837,141
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                  123,631,947 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:                 129,905,688 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                 143,579,970 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  119,603,826 (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