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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:15:52                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              174/Nacogdoches                                           VRSN:      P
                                                        174-904/Nacogdoches ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              180,405,630        0.9700           185,985,186               77            3,768
           2           A              180,395,531        0.9731           185,382,315               78            1,972
           3           A              180,325,298        0.9884           182,441,621               79            1,270
           4           A              180,316,576        0.9874           182,617,557               34              715
           5           B               21,556,870        0.9546            22,582,097                7              114
           6           B               20,745,622        0.9774            21,225,314                6               16
           7           B               20,014,226        0.9725            20,580,181                5                8
           8           D3             104,812,980        0.9493           110,410,808               22            4,254
           9           F1              59,366,119        0.8804            67,430,848                8              437
          10           F1              59,736,231        0.9808            60,905,619                7              157
          11           F1              59,589,174        1.0130            58,824,456                7               62
          12           F1              58,555,660        0.9925            58,998,146                6               17
          13           L1              31,834,678        0.8420            37,808,406                8              519
          14           L1              31,852,270        0.9938            32,050,986                7              121
          15           L1              32,797,079        0.8900            36,850,651                6               42
          16           L1              30,643,058        0.9495            32,272,836                4                9
  RANDOM TOTALS:                    1,252,947,002                       1,296,367,027              361           13,481
  CATG D1 EXCEPTION VALUES:            19,931,340                          14,714,544
  CATG B  EXCEPTION VALUES:            20,927,670                          21,346,027
 TOTAL TEST VALUES (4):             1,293,806,012                       1,332,427,598
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                66,621,380
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:               1,265,806,218 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                1,293,806,012 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:               1,399,048,978 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                1,404,641,337 (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