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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:04:38                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              098/Hansford                                              VRSN:      P
                                                        098-901/Gruver ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                5,773,164        1.0058             5,739,873               10              194
           2           A                5,775,970        0.9344             6,181,475                7               99
           3           A                5,728,271        1.0140             5,649,182                7               70
           4           A                5,755,429        1.0143             5,674,287                6               45
           5           D3              11,425,399        0.8898            12,840,412               10            1,684
           6           G1             124,541,316        1.0622           117,248,462               20              538
  RANDOM TOTALS:                      158,999,549                         153,333,691               60            2,630
  CATG J  EXCEPTION VALUES:             8,223,632                           8,127,239
  CATG D1 EXCEPTION VALUES:            29,830,262                          27,220,196
 TOTAL TEST VALUES (4):               197,053,443                         188,681,126
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 9,434,056
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 179,247,070 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  197,053,443 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 198,115,182 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  245,246,407 (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