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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:21:42                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              220/Tarrant                                               VRSN:      P
                                                        220-920/White Settlement ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              151,498,120        1.0138           149,435,905               30            2,307
           2           A              151,651,731        1.0157           149,307,602               50            1,732
           3           A              150,729,548        1.0366           145,407,629               49            1,438
           4           A              150,654,916        1.0496           143,535,553               50              925
           5           F1              40,586,771        0.9719            41,760,234                7              110
           6           F1              41,983,542        0.7402            56,719,187                6               29
           7           F1              39,621,574        0.8609            46,023,434                5               10
           8           F1              39,547,551        0.9411            42,022,687                3                4
           9           L1              18,205,337        1.0593            17,186,196                7              141
          10           L1              18,981,229        1.0412            18,230,147                7               17
  RANDOM TOTALS:                      803,460,319                         809,628,574              214            6,713
  CATG D1 EXCEPTION VALUES:               523,158                             419,618
  CATG L1 EXCEPTION VALUES:            30,339,096                          29,806,222
 TOTAL TEST VALUES (4):               834,322,573                         839,854,414
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                41,992,721
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 797,861,693 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  834,322,573 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 881,847,135 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  871,570,228 (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