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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:24:15                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              158/Matagorda                                             VRSN:      P
                                                        241-901/Boling ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                  782,693        1.0647               735,130                9               35
           2           A                  808,065        0.9094               888,569                8               24
           3           A                  771,582        0.9630               801,227                6               14
           4           A                  766,475        0.9243               829,249                5                8
           5           D3               2,610,593        0.8903             2,932,262               13              331
  RANDOM TOTALS:                        5,739,408                           6,186,437               41              412
  CATG J  EXCEPTION VALUES:             1,667,710                           1,804,432
  CATG D1 EXCEPTION VALUES:             1,610,797                           1,587,335
  CATG G1 EXCEPTION VALUES:             3,647,200                           3,627,909
 TOTAL TEST VALUES (4):                12,665,115                          13,206,113
 MARGIN OF ERROR PERCENT:               5.0000027
 MARGIN OF ERROR VALUE:                   660,306
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  12,545,807 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   12,665,115 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  13,866,419 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   12,205,309 (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