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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:16:34                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              178/Nueces                                                VRSN:      P
                                                        178-902/Bishop ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               19,994,450        1.1411            17,522,084                7              624
           2           A               20,042,076        0.9654            20,760,385                9              375
           3           A               19,961,637        0.9586            20,823,740               11              258
           4           A               20,017,766        1.0907            18,353,137                9              164
           5           D3              12,394,379        0.9518            13,022,041               11            1,238
           6           G1              41,940,920        0.9717            43,162,416                9               46
  RANDOM TOTALS:                      134,351,228                         133,643,803               56            2,705
  CATG J  EXCEPTION VALUES:            12,399,208                          12,170,498
  CATG D1 EXCEPTION VALUES:            33,330,044                          29,332,350
 TOTAL TEST VALUES (4):               180,080,480                         175,146,651
 MARGIN OF ERROR PERCENT:               5.0000003
 MARGIN OF ERROR VALUE:                 8,757,333
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 166,389,318 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  180,080,480 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 183,903,984 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  465,113,702 (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