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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:09:50                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              125/Jim Wells                                             VRSN:      P
                                                        125-905/Premont ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                6,453,515        1.0160             6,351,885               10              334
           2           A                6,430,578        1.0032             6,410,066               10              195
           3           A                6,472,764        0.9689             6,680,528               10              134
           4           A                6,430,222        0.9839             6,535,443                9               81
           5           D3              15,304,591        0.9534            16,052,644               10            2,058
           6           G1              23,391,412        1.0672            21,918,490                6               29
  RANDOM TOTALS:                       64,483,082                          63,949,056               55            2,831
  CATG J  EXCEPTION VALUES:             7,687,720                           7,657,894
  CATG D1 EXCEPTION VALUES:            10,356,813                          10,877,278
  CATG G1 EXCEPTION VALUES:             4,669,928                           3,893,998
 TOTAL TEST VALUES (4):                87,197,543                          86,378,226
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 4,318,911
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  82,059,315 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   87,197,543 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  90,697,137 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  108,395,658 (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