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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:12:30                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              178/Nueces                                                VRSN:      W
                                                        178-914/Flour Bluff ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              304,133,760        0.9470           321,154,974              28            3,548         .010046555
      2           A              303,982,698        0.9250           328,629,944              23            2,072         .002508753
      3           A              304,322,504        0.9510           320,002,633              32            1,295         .011854176
      4           A              303,784,699        0.9937           305,710,676               7              805         .011281493
      5           C               35,009,863        0.8384            41,757,947               7            2,067         .087428277
      6           C               34,411,441        1.0174            33,822,922               7              821         .004352572
      7           C               33,621,708        0.9482            35,458,456               7              332         .009051753
      8           C               34,308,589        1.0261            33,435,912               7              180         .001867933
      9           F1              17,886,085        0.9586            18,658,549               8              145         .004853211
     10           F1              17,840,957        0.9965            17,903,620               6               55         .016969789
     11           F1              17,899,762        0.9750            18,358,730               5               24         .002219560
     12           F1              17,162,182        0.9502            18,061,652               6                8         .058100691
  RANDOM TOTALS:               1,424,364,248                       1,492,956,015             143           11,352
  CATG D1 EXCEPTION VALUES:          692,174                             840,999
 TOTAL TEST VALUES (4):        1,425,056,422                       1,493,797,014
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           74,689,851
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          1,419,107,163 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           1,425,056,422 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,568,486,865 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,414,853,714 (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