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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:05:25                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              101/Harris                                                VRSN:      W
                                                        101-903/Alief ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              986,752,762        0.9539         1,034,440,468               50           12,242
           2           A              981,083,864        0.9430         1,040,385,858               49            9,511
           3           A              982,560,596        0.9880           994,494,530               50            7,966
           4           A              980,745,539        0.9996           981,137,994               50            4,024
           5           B              305,438,956        0.8991           339,716,334                8               88
           6           B              311,379,494        1.0074           309,092,212                9               51
           7           B              306,343,680        0.9449           324,207,514                6               34
           8           B              302,610,138        0.9018           335,562,362                8               19
           9           F1             532,268,078        0.8726           609,979,461                7              585
          10           F1             530,538,911        1.0149           522,749,937                6              161
          11           F1             540,688,988        0.9376           576,673,409                7               58
          12           F1             518,836,823        0.9694           535,214,383                5               19
          13           L1             176,632,604        0.9165           192,725,154               10            2,467
          14           L1             176,752,205        0.9014           196,086,316                9              374
          15           L1             178,895,119        1.0121           176,756,367                7               85
          16           L1             173,869,929        0.9300           186,956,913                6               25
  RANDOM TOTALS:                    7,985,397,686                       8,356,179,212              287           37,709
  CATG D1 EXCEPTION VALUES:                17,170                              17,080
 TOTAL TEST VALUES (4):             7,985,414,856                       8,356,196,292
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:               417,809,815
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:               7,938,386,477 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                7,985,414,856 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:               8,774,006,107 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                8,564,388,612 (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