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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:20:39                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              209/Shackleford                                           VRSN:      W
                                                        209-901/Albany ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                8,990,438        0.9198             9,774,340                8              389
           2           A                9,006,923        0.9837             9,156,169               10              189
           3           A                9,054,131        0.9946             9,103,289               10              123
           4           A                8,935,149        1.0802             8,271,754                7               63
           5           D3              11,174,234        0.9243            12,089,402               14          375,693
           6           G1              41,883,864        1.0250            40,862,306               12              643
  RANDOM TOTALS:                       89,044,739                          89,257,260               61          377,100
  CATG J  EXCEPTION VALUES:             7,108,286                           7,118,772
  CATG D1 EXCEPTION VALUES:            15,047,708                          14,675,457
 TOTAL TEST VALUES (4):               111,200,733                         111,051,489
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 5,552,574
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 105,498,915 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  111,200,733 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 116,604,063 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  142,079,354 (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