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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:25:39                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              249/Wise                                                  VRSN:      P
                                                        249-903/Bridgeport ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               54,561,911        0.9845            55,420,936               23            1,055
           2           A               54,560,357        1.0406            52,431,633               32              600
           3           A               54,588,140        0.9908            55,095,014               23              398
           4           A               54,570,895        1.0298            52,991,741               13              215
           5           D3              77,455,640        0.9696            79,884,117               28            2,847
           6           F1              15,752,204        0.7324            21,507,652               10              172
           7           F1              15,583,735        0.9700            16,065,706                7               66
           8           F1              15,666,591        0.8883            17,636,599                6               33
           9           F1              15,654,673        0.9920            15,780,920                5               15
          10           G1              49,824,950        0.9893            50,363,843               12              633
          11           L1               8,075,913        0.9711             8,316,253                7              215
          12           L1               8,156,648        0.9913             8,228,234                8               58
          13           L1               8,494,049        1.1376             7,466,639                7               24
          14           L1               7,399,623        0.9015             8,208,123                3                6
  RANDOM TOTALS:                      440,345,329                         449,397,410              184            6,337
  CATG J  EXCEPTION VALUES:            16,462,180                          17,736,863
  CATG D1 EXCEPTION VALUES:             4,094,912                           3,920,369
 TOTAL TEST VALUES (4):               460,902,421                         471,054,642
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                23,552,732
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 447,501,910 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  460,902,421 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 494,607,374 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  787,655,560 (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