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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:11:47                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              139/Lamar                                                 VRSN:      W
                                                        139-905/Chisum ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                5,913,940        0.9723             6,082,423                7              262
           2           A                5,962,128        0.9331             6,389,592                7              144
           3           A                5,903,165        0.9590             6,155,542                7              100
           4           A                5,915,085        0.9709             6,092,373                7               69
           5           D3              32,172,101        0.9539            33,726,912               31            3,309
           6           L1               6,356,517        0.9684             6,563,937               10               20
  RANDOM TOTALS:                       62,222,936                          65,010,779               69            3,904
  CATG J  EXCEPTION VALUES:            20,850,256                          20,222,874
  CATG D1 EXCEPTION VALUES:            13,930,441                          12,011,265
 TOTAL TEST VALUES (4):                97,003,633                          97,244,918
 MARGIN OF ERROR PERCENT:               5.0000001
 MARGIN OF ERROR VALUE:                 4,862,246
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  92,382,672 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   97,003,633 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 102,107,164 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  493,222,263 (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