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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:40:29                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              039/Clay                                                  VRSN:      W
                                                        039-904/Bellevue ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                1,386,834        1.0620             1,305,870               7               65         .094165828
      2           A                1,388,740        1.1182             1,241,942               7               37         .052711301
      3           A                1,370,683        1.0108             1,356,038               8               22         .010686912
      4           A                1,320,783        1.1381             1,160,516               9               13         .016244797
      5           D3              10,201,550        0.9666            10,554,055              31            1,110         .011032647
      6           G1                 901,720        1.3347               675,598               6               26         .106772021
      7           G1                 824,400        1.1320               728,269               4                8         .025480021
      8           G1                 926,150        1.0953               845,567               3                4         .015996935
  RANDOM TOTALS:                  18,320,860                          17,867,855              75            1,285
  CATG J  EXCEPTION VALUES:        5,709,135                           5,761,166
  CATG D1 EXCEPTION VALUES:        7,467,330                           5,970,677
  CATG G1 EXCEPTION VALUES:          729,350                             762,483
 TOTAL TEST VALUES (4):           32,226,675                          30,362,181
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            1,518,109
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             28,844,072 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:             31,880,290 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              32,226,675 (OUTSIDE CONFIDENCE INTERVAL)
 VALUE ASSIGNED (6):              33,722,540 (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