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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:40:50                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              234/Van Zandt                                             VRSN:      W
                                                        234-907/Wills Point ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               46,751,067        0.8373            55,835,503              16            1,086         .096555032
      2           A               46,753,570        0.9346            50,025,219              16              647         .009748757
      3           A               46,672,728        0.8997            51,875,879              15              439         .037140133
      4           A               46,702,198        0.9168            50,940,443              15              270         .014113142
      5           D3             159,280,630        0.9852           161,673,396              44            6,214         .091269388
      6           F1               5,640,987        0.5133            10,989,649               9              118         .049531466
      7           F1               5,612,505        0.5676             9,888,134               7               39         .045795766
      8           F1              11,098,384        0.8219            13,503,326               7               17         .066128914
  RANDOM TOTALS:                 368,512,069                         404,731,549             129            8,830
  CATG J  EXCEPTION VALUES:       21,955,522                          24,353,998
  CATG D1 EXCEPTION VALUES:       12,018,560                           7,891,457
 TOTAL TEST VALUES (4):          402,486,151                         436,977,004
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           21,848,850
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:             402,486,151 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:            415,128,154 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            458,825,854 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             383,265,011 (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