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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:35:50                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              019/Bowie                                                 VRSN:      W
                                                        019-901/DeKalb ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               12,301,450        0.8748            14,062,014              17              427         .010848760
      2           A               12,296,118        0.8914            13,794,164              15              228         .013662412
      3           A               12,314,019        0.8955            13,750,998              18              159         .010245958
      4           A               12,222,045        0.9565            12,777,883              18              101         .010028668
      5           D3              52,150,496        1.1613            44,906,997              21            3,512         .103220607
      6           F1               2,423,016        0.7894             3,069,440               8               46         .119135702
      7           F1               2,360,351        0.7263             3,249,829               7               17         .058102326
      8           F1               2,490,501        0.8808             2,827,544               5                9         .031438450
      9           F1               2,193,620        1.1165             1,964,729               2                3         .000338199
  RANDOM TOTALS:                 110,751,616                         110,403,598             111            4,502
  CATG J  EXCEPTION VALUES:        4,655,994                           4,644,738
  CATG D1 EXCEPTION VALUES:       18,068,840                          18,868,545
 TOTAL TEST VALUES (4):          133,476,450                         133,916,881
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            6,695,844
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            127,221,037 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             133,476,450 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            140,612,725 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             120,030,985 (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