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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:18:51                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              190/Rains                                                 VRSN:      W
                                                        190-903/Rains ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              173,344,648        0.9290           186,592,732               46            5,333
           2           D3             112,184,219        0.7647           146,703,569               35            6,329
           3           F1              25,257,353        0.9099            27,758,383               18              282
           4           G1              16,533,123        0.9957            16,604,522                8               16
  RANDOM TOTALS:                      327,319,343                         377,659,206              107           11,960
  CATG D1 EXCEPTION VALUES:            10,886,263                           9,172,833
  CATG G1 EXCEPTION VALUES:            17,092,077                          16,315,875
 TOTAL TEST VALUES (4):               355,297,683                         403,147,914
 MARGIN OF ERROR PERCENT:               6.7098350
 MARGIN OF ERROR VALUE:                27,050,560
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                  355,297,683 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:                 376,097,354 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                 430,198,474 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  321,516,250 (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