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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:07:06                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              109/Hill                                                  VRSN:      P
                                                        109-901/Abbott ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                3,366,472        1.0398             3,237,615                8               82
           2           A                3,370,108        1.1034             3,054,294                7               49
           3           A                3,468,995        1.0866             3,192,523                7               37
           4           A                3,284,489        1.1063             2,968,895                7               22
           5           D3              13,170,890        1.0118            13,017,286               21            1,054
  RANDOM TOTALS:                       26,660,954                          25,470,613               50            1,244
  CATG J  EXCEPTION VALUES:             3,822,857                           4,007,038
  CATG D1 EXCEPTION VALUES:             7,298,442                           7,218,098
 TOTAL TEST VALUES (4):                37,782,253                          36,695,749
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 1,834,787
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  34,860,962 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   37,782,253 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  38,530,536 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   37,517,148 (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