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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:20:51                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              210/Shelby                                                VRSN:      W
                                                        210-905/Timpson ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                6,191,042        1.0414             5,944,922                8              283
           2           A                6,186,992        0.8783             7,044,281                8              149
           3           A                6,152,723        1.0139             6,068,373                7              102
           4           A                6,136,398        1.0015             6,127,207               10               58
           5           D3              33,182,957        1.0653            31,148,932               12            3,441
           6           G1              18,019,960        1.0362            17,390,427               13               51
  RANDOM TOTALS:                       75,870,072                          73,724,142               58            4,084
  CATG J  EXCEPTION VALUES:             5,220,939                           5,353,610
  CATG D1 EXCEPTION VALUES:            17,298,800                          15,790,753
  CATG G1 EXCEPTION VALUES:             3,940,250                           3,751,688
 TOTAL TEST VALUES (4):               102,330,061                          98,620,193
 MARGIN OF ERROR PERCENT:               5.3849641
 MARGIN OF ERROR VALUE:                 5,310,662
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  93,309,531 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  102,330,061 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 103,930,855 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   96,268,013 (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