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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:59:23                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              061/Denton                                                VRSN:      P
                                                        061-906/Ponder ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               21,948,885        0.9863            22,253,762                7              346
           2           A               21,848,101        0.9561            22,851,272                9              209
           3           A               21,876,073        1.0036            21,797,602               11              155
           4           A               21,838,727        1.0121            21,577,638               10              105
           5           D3              48,711,028        1.0327            47,168,614               27            1,470
           6           G1             345,936,200        1.0908           317,139,897               20              568
  RANDOM TOTALS:                      482,159,014                         452,788,785               84            2,853
  CATG D1 EXCEPTION VALUES:             3,642,747                           3,035,871
 TOTAL TEST VALUES (4):               485,801,761                         455,824,656
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                22,791,233
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 433,033,423 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                 478,615,889 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  485,801,761 (OUTSIDE CONFIDENCE INTERVAL)
 VALUE ASSIGNED (6):                  520,423,138 (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