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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:14:50                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              166/Milam                                                 VRSN:      P
                                                        166-905/Thorndale ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                8,006,745        0.8680             9,224,361               13              232
           2           A                8,031,517        0.8995             8,928,868               12              126
           3           A                7,961,005        1.0148             7,844,900               12               82
           4           A                7,990,859        0.9678             8,256,726               11               53
           5           D3              35,306,168        1.0522            33,554,617               20            2,224
  RANDOM TOTALS:                       67,296,294                          67,809,472               68            2,717
  CATG J  EXCEPTION VALUES:             8,709,306                           9,002,405
  CATG D1 EXCEPTION VALUES:             9,872,060                           8,985,487
 TOTAL TEST VALUES (4):                85,877,660                          85,797,364
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 4,289,868
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  81,507,496 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   85,877,660 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  90,087,232 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   82,918,356 (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