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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:55:55                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              034/Cass                                                  VRSN:      P
                                                        034-909/Bloomburg ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                2,214,773        1.0275             2,155,497                8               97
           2           A                2,180,447        0.9272             2,351,647                7               58
           3           A                2,197,850        0.9594             2,290,859                7               41
           4           A                2,200,872        1.0084             2,182,539                7               25
           5           D3               9,910,380        1.0025             9,885,666               20              751
  RANDOM TOTALS:                       18,704,322                          18,866,208               49              972
  CATG J  EXCEPTION VALUES:             2,847,806                           3,168,922
  CATG D1 EXCEPTION VALUES:             2,215,250                           2,162,137
 TOTAL TEST VALUES (4):                23,767,378                          24,197,267
 MARGIN OF ERROR PERCENT:               6.8149639
 MARGIN OF ERROR VALUE:                 1,649,035
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  22,548,232 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   23,767,378 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  25,846,302 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   22,216,373 (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