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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:53:52                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              019/Bowie                                                 VRSN:      P
                                                        019-910/Malta ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                1,041,066        0.8201             1,269,438                6               40
           2           A                1,050,885        0.9461             1,110,755                6               19
           3           A                1,063,129        0.9950             1,068,471                7               13
           4           A                  948,388        0.9996               948,768                4                8
           5           D3               7,785,715        0.9730             8,001,763               10              391
  RANDOM TOTALS:                       11,889,183                          12,399,195               33              471
  CATG J  EXCEPTION VALUES:               579,080                             580,381
  CATG D1 EXCEPTION VALUES:               772,188                             759,486
 TOTAL TEST VALUES (4):                13,240,451                          13,739,062
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                   686,953
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  13,052,109 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   13,240,451 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  14,426,015 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   10,355,534 (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