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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:22:30                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              227/Travis                                                VRSN:      P
                                                        227-907/Manor ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               95,759,939        0.9580            99,958,183               25            1,105
           2           A               95,663,969        0.9791            97,706,025               60              646
           3           A               95,626,199        0.9990            95,721,921               60              493
           4           A               95,651,690        1.0217            93,620,133               55              350
           5           B              101,330,933        0.9975           101,584,895                7               98
           6           D3              90,173,503        0.8944           100,820,106               11            1,766
           7           F1              66,849,530        1.0259            65,161,838                7               82
           8           F1              66,414,560        1.0099            65,763,501                6               22
           9           F1             132,885,467        0.9332           142,397,629                7               12
          10           L1              42,364,099        1.0252            41,322,765                7              232
          11           L1              42,197,858        0.9942            42,444,033                6               44
          12           L1              44,414,518        0.9566            46,429,561                6               16
          13           L1              38,758,584        1.0106            38,352,052                3                6
  RANDOM TOTALS:                    1,008,090,849                       1,031,282,642              260            4,872
  CATG D1 EXCEPTION VALUES:             4,523,682                           4,289,843
 TOTAL TEST VALUES (4):             1,012,614,531                       1,035,572,485
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                51,778,624
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 983,793,861 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                1,012,614,531 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:               1,087,351,109 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                1,484,568,770 (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