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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:09:26                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              122/Jeff Davis                                            VRSN:      P
                                                        122-901/Fort Davis ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               13,034,865        0.9425            13,830,095               11              346
           2           A               13,072,005        1.0149            12,880,092               11              180
           3           A               13,001,495        0.9148            14,212,391               12              125
           4           A               13,011,953        1.0164            12,802,000               12               74
           5           C                2,079,256        0.9444             2,201,669                7              343
           6           C                2,424,184        0.9952             2,435,876               10              213
           7           C                1,750,110        1.0220             1,712,436                8               89
           8           C                2,059,886        0.8607             2,393,268                8               48
           9           D3              16,143,240        0.9720            16,608,272               14            2,419
          10           F1               2,403,093        1.0263             2,341,511                6               34
          11           F1               2,414,076        1.0859             2,223,111                5               16
          12           F1               2,253,564        0.8579             2,626,838                4                8
          13           F1               2,314,313        0.9089             2,546,279                3                4
  RANDOM TOTALS:                       85,962,040                          88,813,838              111            3,899
  CATG J  EXCEPTION VALUES:             7,593,046                           7,944,809
  CATG D1 EXCEPTION VALUES:            11,967,802                          14,049,155
 TOTAL TEST VALUES (4):               105,522,888                         110,807,802
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 5,540,390
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 105,267,412 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  105,522,888 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 116,348,192 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  110,312,811 (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