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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:07:00                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              108/Hidalgo                                               VRSN:      P
                                                        108-914/La Villa ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                3,998,018        0.9560             4,182,027                6              201
           2           A                3,982,136        0.9194             4,331,233                7              134
           3           A                3,995,301        0.9857             4,053,263                9               95
           4           A                4,004,846        0.9414             4,254,139                7               54
           5           D3               2,653,396        0.9703             2,734,614               11              677
           6           F1               9,311,963        0.8373            11,121,418                8               25
  RANDOM TOTALS:                       27,945,660                          30,676,694               48            1,186
  CATG J  EXCEPTION VALUES:             2,724,797                           2,792,923
  CATG D1 EXCEPTION VALUES:             6,233,237                           5,979,127
 TOTAL TEST VALUES (4):                36,903,694                          39,448,744
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 1,972,437
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                   36,903,694 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:                  37,476,307 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                  41,421,181 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   48,893,004 (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