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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:03:02                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              087/Glasscock                                             VRSN:      P
                                                        087-901/Glasscock Co ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           D3              16,925,200        0.7204            23,494,170               26            3,167
           2           G1             261,989,647        0.8308           315,346,229               20              696
  RANDOM TOTALS:                      278,914,847                         338,840,399               46            3,863
  CATG J  EXCEPTION VALUES:             9,812,013                           9,876,355
  CATG D1 EXCEPTION VALUES:            17,090,580                          18,319,703
  CATG G1 EXCEPTION VALUES:            90,525,723                         158,489,440
 TOTAL TEST VALUES (4):               396,343,163                         525,525,897
 MARGIN OF ERROR PERCENT:              13.4323183
 MARGIN OF ERROR VALUE:                70,590,311
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                  396,343,163 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:                 454,935,586 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                 596,116,208 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  433,417,230 (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