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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:25:19                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              227/Travis                                                VRSN:      P
                                                        246-914/Coupland ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                  566,376        1.1559               489,987                3                4
           2           D3               2,189,988        1.0750             2,037,198               20               68
  RANDOM TOTALS:                        2,756,364                           2,527,185               23               72
  CATG J  EXCEPTION VALUES:               183,115                             198,353
  CATG D1 EXCEPTION VALUES:               385,192                             331,314
 TOTAL TEST VALUES (4):                 3,324,671                           3,056,852
 MARGIN OF ERROR PERCENT:               5.0000131
 MARGIN OF ERROR VALUE:                   152,843
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                   2,904,009 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                   3,209,695 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                    3,324,671 (OUTSIDE CONFIDENCE INTERVAL)
 VALUE ASSIGNED (6):                    3,019,250 (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