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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:54:00                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              019/Bowie                                                 VRSN:      P
                                                        019-914/Leary ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                3,019,944        0.9840             3,069,049                7              106
           2           A                2,998,030        0.9794             3,061,088                7               55
           3           A                3,010,203        1.0656             2,824,890                6               36
           4           A                2,993,352        1.0498             2,851,355                5               14
           5           D3               6,241,335        0.9807             6,364,163               10              244
  RANDOM TOTALS:                       18,262,864                          18,170,545               35              455
  CATG J  EXCEPTION VALUES:             1,008,879                           1,014,158
  CATG D1 EXCEPTION VALUES:               514,470                             335,051
 TOTAL TEST VALUES (4):                19,786,213                          19,519,754
 MARGIN OF ERROR PERCENT:               5.0000015
 MARGIN OF ERROR VALUE:                   975,988
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  18,543,766 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   19,786,213 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  20,495,742 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   19,726,292 (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