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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:18:34                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              194/Red River                                             VRSN:      P
                                                        194-902/Avery ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                2,654,703        0.9887             2,685,044                7              136
           2           A                2,688,745        1.0174             2,642,761                7               75
           3           A                2,649,205        1.0053             2,635,238                7               48
           4           A                2,618,199        1.0253             2,553,593                7               26
           5           D3              19,794,470        0.9965            19,863,994               20            2,067
  RANDOM TOTALS:                       30,405,322                          30,380,630               48            2,352
  CATG J  EXCEPTION VALUES:             2,092,670                           2,159,694
  CATG D1 EXCEPTION VALUES:            10,549,340                          10,310,301
 TOTAL TEST VALUES (4):                43,047,332                          42,850,625
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 2,142,531
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  40,708,094 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   43,047,332 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  44,993,156 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   36,774,182 (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