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DATE: 01/27/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:00:36                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              108/Hidalgo                                               VRSN:      W
                                                        108-910/Progreso ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               12,803,826        0.9584            13,359,585               7              505         .001592456
      2           A               12,773,353        0.9702            13,165,691               7              303         .006592380
      3           A               12,835,118        0.9514            13,490,769               7              193         .002294694
      4           A               12,709,674        1.0563            12,032,258               6               84         .084834787
      5           C                2,086,701        0.9581             2,177,957               7              173         .010441590
      6           C                2,082,984        0.9223             2,258,467               7              111         .007855014
      7           C                2,081,597        0.9253             2,249,646               5               64         .020005633
      8           C                2,064,951        0.9885             2,088,974               6               37         .000689465
      9           D3               3,818,123        0.9838             3,880,995              10              438         .015311113
     10           F1               2,122,597        0.8717             2,435,009               7               34         .004107221
     11           F1               2,141,205        0.9875             2,168,309               4               11         .000307910
     12           F1               2,091,200        0.8767             2,385,309               3                5         .031270098
     13           L1                 964,163        0.9826               981,237               6               28         .006317270
     14           L1               1,093,925        0.9911             1,103,748               4                7         .002258393
     15           L1                 923,575        1.0054               918,614               3                4         .000465474
  RANDOM TOTALS:                  72,592,992                          74,696,568              89            1,997
  CATG D1 EXCEPTION VALUES:        3,985,548                           3,807,428
  CATG F1 EXCEPTION VALUES:        2,282,136                           2,053,413
  CATG L1 EXCEPTION VALUES:        1,034,582                           1,034,357
 TOTAL TEST VALUES (4):           79,895,258                          81,591,766
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            4,079,588
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             77,512,178 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              79,895,258 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             85,671,354 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              79,354,995 (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