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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:07:02                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              108/Hidalgo                                               VRSN:      P
                                                        108-915/Monte Alto ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                4,889,810        0.9115             5,364,575                8              220
           2           A                4,965,292        0.9250             5,367,883                7              134
           3           A                4,845,797        0.9734             4,978,218               11               95
           4           A                4,894,604        0.9440             5,184,962                7               52
           5           C                  692,451        0.9887               700,365                7              133
           6           C                  647,998        0.9761               663,864                6               47
           7           C                  673,393        1.0269               655,753                5               32
           8           C                  643,206        0.9798               656,467                6               22
           9           D3               5,023,075        0.9644             5,208,498               11            1,099
  RANDOM TOTALS:                       27,275,626                          28,780,585               68            1,834
  CATG D1 EXCEPTION VALUES:             7,873,868                           7,673,407
 TOTAL TEST VALUES (4):                35,149,494                          36,453,992
 MARGIN OF ERROR PERCENT:               5.0000011
 MARGIN OF ERROR VALUE:                 1,822,700
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  34,631,292 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   35,149,494 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  38,276,692 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   43,603,168 (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