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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:20:16                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              224/Throckmorton                                          VRSN:      W
                                                        224-901/Throckmorton ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                2,590,367        0.9745             2,658,150               8              170         .030144322
      2           A                2,606,210        0.9659             2,698,219               8               94         .013058832
      3           A                2,579,421        0.9539             2,704,079               7               59         .012642538
      4           A                2,530,702        0.9541             2,652,449               9               37         .004404772
      5           D3               8,386,430        0.9553             8,778,844              19            2,647         .015182569
      6           G1              10,208,670        0.8887            11,487,195               7              115         .084513676
      7           G1              10,303,930        1.0204            10,097,932               6               32         .009450579
      8           G1              10,484,660        1.0429            10,053,370               5               13         .000649075
      9           G1               9,072,250        0.9922             9,143,570               3                4         .011522485
  RANDOM TOTALS:                  58,762,640                          60,273,808              72            3,171
  CATG J  EXCEPTION VALUES:        3,595,039                           3,448,638
  CATG D1 EXCEPTION VALUES:       21,759,040                          19,066,883
 TOTAL TEST VALUES (4):           84,116,719                          82,789,329
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            4,139,466
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             78,649,863 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              84,116,719 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             86,928,795 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              89,583,551 (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