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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:06:38                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              108/Hidalgo                                               VRSN:      P
                                                        108-903/Edcouch-Elsa ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               34,278,919        0.9111            37,623,663                8            1,405
           2           A               34,270,194        0.9374            36,558,773                8              916
           3           A               34,284,697        0.9641            35,561,349                8              638
           4           A               34,261,976        0.9489            36,107,046                8              362
           5           C                3,928,681        0.9897             3,969,568                5              454
           6           C                3,931,462        0.9404             4,180,627               10              270
           7           C                3,963,791        0.9829             4,032,751                9              193
           8           C                3,900,970        0.9999             3,901,360                7              106
           9           D3              10,892,832        0.8926            12,203,486               11              836
          10           F1               4,959,585        1.0459             4,741,930                7              100
          11           F1               5,057,164        0.9373             5,395,459                8               44
          12           F1               4,810,175        0.9071             5,302,806                5               22
          13           F1               4,957,437        0.9600             5,163,997                5                8
  RANDOM TOTALS:                      183,497,883                         194,742,815               99            5,354
  CATG D1 EXCEPTION VALUES:             4,317,899                           4,125,185
 TOTAL TEST VALUES (4):               187,815,782                         198,868,000
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 9,943,400
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                  187,815,782 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:                 188,924,600 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                 208,811,400 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  168,407,403 (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