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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:09:42                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              121/Jasper                                                VRSN:      W
                                                        121-903/Buna ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               17,136,017        0.9205            18,615,988               12              709
           2           A               17,140,515        0.9567            17,916,290               14              379
           3           A               17,126,690        0.8734            19,609,217               15              243
           4           A               17,074,930        0.9066            18,834,028               15              149
           5           D3              37,991,128        0.9241            41,111,490               18            2,243
  RANDOM TOTALS:                      106,469,280                         116,087,013               74            3,723
  CATG J  EXCEPTION VALUES:            10,415,628                          10,667,952
  CATG D1 EXCEPTION VALUES:            27,534,123                          26,261,390
  CATG G1 EXCEPTION VALUES:            19,292,423                          17,191,291
 TOTAL TEST VALUES (4):               163,711,454                         170,207,646
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 8,510,382
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 161,697,264 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  163,711,454 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 178,718,028 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  185,946,640 (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