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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:57:01                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              040/Cochran                                               VRSN:      W
                                                        040-902/Whiteface-Bledsoe CISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           D3               4,912,340        1.0045             4,890,333               11            2,058
           2           G1             283,942,200        0.9977           284,596,773               17              251
  RANDOM TOTALS:                      288,854,540                         289,487,106               28            2,309
  CATG D1 EXCEPTION VALUES:            28,385,520                          29,195,544
 TOTAL TEST VALUES (4):               317,240,060                         318,682,650
 MARGIN OF ERROR PERCENT:               5.0000002
 MARGIN OF ERROR VALUE:                15,934,133
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 302,748,517 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  317,240,060 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 334,616,783 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  344,631,610 (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