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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:24:51                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              245/Willacy                                               VRSN:      P
                                                        245-901/Lasara ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                1,880,788        0.9483             1,983,326                9              122
           2           A                1,848,231        0.9305             1,986,277               11               70
           3           A                1,884,448        0.9834             1,916,258                8               48
           4           A                1,823,455        0.9379             1,944,189               10               25
           5           D3               3,139,810        0.9829             3,194,435               16           28,724
           6           G1               4,036,447        1.0204             3,955,750                4                9
  RANDOM TOTALS:                       14,613,179                          14,980,235               58           28,998
  CATG J  EXCEPTION VALUES:               404,850                             405,186
  CATG D1 EXCEPTION VALUES:             8,937,027                           7,377,044
  CATG G1 EXCEPTION VALUES:             2,650,113                           2,622,901
 TOTAL TEST VALUES (4):                26,605,169                          25,385,366
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 1,269,268
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  24,116,098 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   26,605,169 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  26,654,634 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   28,468,691 (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