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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:58:21                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              049/Cooke                                                 VRSN:      W
                                                        049-908/Walnut Bend ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                  648,355        0.9181               706,192               10               23
           2           G1               3,276,179        0.9756             3,358,117               12               24
  RANDOM TOTALS:                        3,924,534                           4,064,309               22               47
  CATG D1 EXCEPTION VALUES:               771,879                             654,349
  CATG D3 EXCEPTION VALUES:             1,698,283                           1,698,228
  CATG G1 EXCEPTION VALUES:             4,051,071                           3,604,223
 TOTAL TEST VALUES (4):                10,445,767                          10,021,109
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                   501,055
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                   9,520,054 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   10,445,767 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  10,522,164 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   10,465,845 (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