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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:05:02                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              101/Harris                                                VRSN:      P
                                                        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              987,599,799        0.9539         1,035,328,440               50           12,242
           2           A              981,926,035        0.9330         1,052,439,480               50            9,511
           3           A              983,404,034        0.9880           995,348,213               50            7,966
           4           A              981,587,420        0.9996           981,980,212               50            4,024
           5           B              310,573,020        0.7401           419,636,563               13               88
           6           B              316,613,412        0.8944           353,995,318               10               51
           7           B              311,492,952        0.9449           329,657,056                6               34
           8           B              307,696,653        0.8280           371,614,315                8               19
           9           F1             540,817,803        0.8726           619,777,450                7              585
          10           F1             539,060,860        0.9524           566,002,583                7              161
          11           F1             549,373,976        0.9376           585,936,408                7               58
          12           F1             527,170,804        0.9694           543,811,434                5               19
          13           L1             181,290,537        0.9160           197,915,433               10            2,467
          14           L1             181,413,292        0.9014           201,257,258                9              374
          15           L1             183,612,716        0.9924           185,018,859                7               85
          16           L1             178,455,008        0.8838           201,917,864                6               25
  RANDOM TOTALS:                    8,062,088,321                       8,641,636,886              295           37,709
  CATG D1 EXCEPTION VALUES:                17,170                              17,080
 TOTAL TEST VALUES (4):             8,062,105,491                       8,641,653,966
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:               432,082,698
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                8,062,105,491 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:               8,209,571,268 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:               9,073,736,664 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                8,606,436,332 (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