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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:51:19                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              001/Anderson                                              VRSN:      P
                                                        001-908/Westwood ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               24,884,696        0.9732            25,569,971               12              670
           2           A               24,910,690        0.9300            26,785,688               17              456
           3           A               24,899,812        0.9823            25,348,480               22              371
           4           A               24,897,001        0.9470            26,290,392               21              266
           5           D3              39,626,265        1.0328            38,367,801               19            2,668
           6           F1               4,160,572        0.8922             4,663,273                7               67
           7           F1               4,289,550        0.8701             4,929,951                7               24
           8           F1               8,216,710        0.9988             8,226,582                6                9
           9           L1               5,769,585        1.1239             5,133,539                9              115
          10           L1               5,887,208        1.1138             5,285,696                7               29
          11           L1               6,055,537        1.0112             5,988,466                6               12
  RANDOM TOTALS:                      173,597,626                         176,589,839              133            4,687
  CATG J  EXCEPTION VALUES:            10,716,270                          11,145,878
  CATG D1 EXCEPTION VALUES:             3,476,277                           2,975,561
  CATG L1 EXCEPTION VALUES:             4,185,520                           3,978,620
 TOTAL TEST VALUES (4):               191,975,693                         194,689,898
 MARGIN OF ERROR PERCENT:               5.0000001
 MARGIN OF ERROR VALUE:                 9,734,495
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 184,955,403 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  191,975,693 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 204,424,393 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  332,641,289 (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