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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:59:53                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              061/Denton                                                VRSN:      W
                                                        061-908/Sanger ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               60,595,938        1.0027            60,432,770               24              872
           2           A               60,755,486        1.0066            60,357,129               30              597
           3           A               60,529,863        0.9934            60,932,014               39              423
           4           A               60,687,582        1.0139            59,855,589               28              287
           5           D3             102,018,717        0.9259           110,183,299               29            3,075
           6           F1               8,906,376        0.9732             9,151,640                7               60
           7           F1               9,245,147        0.9875             9,362,174                7               27
           8           F1               8,977,034        1.0773             8,332,901                6               15
           9           F1               8,851,259        0.9944             8,901,105                5                8
  RANDOM TOTALS:                      380,567,402                         387,508,621              175            5,364
  CATG D1 EXCEPTION VALUES:             5,558,197                           4,696,147
  CATG F1 EXCEPTION VALUES:            33,902,437                          34,638,790
 TOTAL TEST VALUES (4):               420,028,036                         426,843,558
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                21,342,178
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 405,501,380 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  420,028,036 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 448,185,736 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  484,647,549 (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