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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:14:21                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              161/McLennan                                              VRSN:      W
                                                        161-908/Mart ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                8,799,406        1.0375             8,481,355               11              386
           2           A                8,796,350        1.0046             8,756,072               11              216
           3           A                8,847,541        0.9494             9,319,087               11              140
           4           A                8,737,378        1.0608             8,236,593               14               85
           5           D3              15,863,292        0.9427            16,827,508               20            1,727
           6           F1               1,249,148        1.0378             1,203,650                7               52
           7           F1               1,231,191        0.9942             1,238,374                6               19
           8           F1               1,520,395        0.9880             1,538,861                5                8
  RANDOM TOTALS:                       55,044,701                          55,601,500               85            2,633
  CATG J  EXCEPTION VALUES:             5,719,155                           7,122,876
  CATG D1 EXCEPTION VALUES:             8,019,689                           7,679,563
  CATG F1 EXCEPTION VALUES:               890,445                             858,225
 TOTAL TEST VALUES (4):                69,673,990                          71,262,164
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 3,563,108
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  67,699,056 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   69,673,990 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  74,825,272 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   59,995,680 (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