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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:19:38                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              203/San Augustine                                         VRSN:      P
                                                        203-901/San Augustine ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                8,919,665        0.8191            10,889,592                7              662
           2           A                8,897,884        0.8053            11,049,154                8              314
           3           A                8,951,746        0.9007             9,938,654                8              196
           4           A                8,870,203        0.8178            10,846,421                7              118
           5           D3              29,617,690        1.0434            28,385,749               11            3,684
           6           F1               3,388,424        0.8964             3,780,036                8              101
           7           F1               3,549,012        0.9765             3,634,421                7               28
           8           F1               3,494,020        0.7837             4,458,364                4                6
  RANDOM TOTALS:                       75,688,644                          82,982,391               60            5,109
  CATG J  EXCEPTION VALUES:            10,257,251                          10,589,651
  CATG D1 EXCEPTION VALUES:            30,337,750                          26,020,920
  CATG F1 EXCEPTION VALUES:             3,009,830                           2,948,017
 TOTAL TEST VALUES (4):               119,293,475                         122,540,979
 MARGIN OF ERROR PERCENT:               5.2681520
 MARGIN OF ERROR VALUE:                 6,455,645
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 116,085,334 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  119,293,475 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 128,996,624 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  119,371,550 (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