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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:04:05                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              056/Dallam                                                VRSN:      W
                                                        056-902/Texline ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                  960,128        0.8079             1,188,424               6               55         .029398473
      2           A                  927,331        0.8137             1,139,647               7               29         .083756174
      3           A                  973,678        0.8040             1,211,042               6               21         .016114822
      4           A                  899,050        0.9965               902,208               6               11         .036397953
      5           D3              20,943,990        0.9047            23,150,204              21            1,333         .019295257
      6           F1               7,276,000        0.8588             8,472,287              11               63         .111274332
      7           L1               6,781,770        0.9799             6,920,880               9               39         .003447836
  RANDOM TOTALS:                  38,761,947                          42,984,692              66            1,551
  CATG J  EXCEPTION VALUES:        5,115,710                           5,180,748
  CATG D1 EXCEPTION VALUES:       23,915,400                          26,315,523
 TOTAL TEST VALUES (4):           67,793,057                          74,480,963
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            3,724,048
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:              67,793,057 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:             70,756,915 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:             78,205,011 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              73,292,941 (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