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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:06:52                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              108/Hidalgo                                               VRSN:      P
                                                        108-910/Progreso ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               12,093,976        0.9128            13,249,316               12              499
           2           A               12,109,729        0.9305            13,014,217               12              305
           3           A               12,121,007        0.9394            12,902,924               12              192
           4           A               12,102,312        0.9859            12,275,395               11               83
           5           C                1,935,598        0.9444             2,049,553                6              152
           6           C                1,600,718        0.9870             1,621,801                9               89
           7           C                1,771,443        0.9148             1,936,427                5               69
           8           C                1,744,647        0.9580             1,821,135                8               38
           9           D3               3,805,591        0.9996             3,807,114               11              499
          10           F1               2,941,499        0.9749             3,017,232                6               41
          11           F1               3,165,447        0.9703             3,262,338                6               12
          12           F1               3,011,385        0.8871             3,394,640                3                6
  RANDOM TOTALS:                       68,403,352                          72,352,092              101            1,985
  CATG D1 EXCEPTION VALUES:             3,886,898                           3,605,818
  CATG F1 EXCEPTION VALUES:             6,163,442                           5,616,051
 TOTAL TEST VALUES (4):                78,453,692                          81,573,961
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 4,078,698
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  77,495,263 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   78,453,692 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  85,652,659 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   75,487,247 (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