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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:05:00                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              101/Harris                                                VRSN:      P
                                                        101-902/Aldine ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              901,015,072        0.9474           951,039,764               50           13,198
           2           A              901,145,271        0.9794           920,099,317               50            9,998
           3           A              893,627,413        1.0042           889,889,876               50            8,564
           4           A              896,671,026        1.0042           892,920,759               50            6,298
           5           B              107,348,708        0.7451           144,072,887               12               61
           6           B              109,756,201        0.8106           135,401,186               13               32
           7           B              106,001,280        0.6764           156,713,897                6               22
           8           B              105,917,686        0.8279           127,935,362                6               14
           9           F1             543,778,792        0.9563           568,627,828               12            1,139
          10           F1             543,848,953        0.9572           568,166,478                7              236
          11           F1             546,256,745        1.0258           532,517,786                7               77
          12           F1             538,777,636        0.9749           552,649,129                6               24
          13           L1             371,412,081        0.8666           428,585,369                7            2,434
          14           L1             372,477,654        0.8598           433,214,299                9              273
          15           L1             739,544,063        0.9376           788,762,866               10               80
  RANDOM TOTALS:                    7,677,578,581                       8,090,596,803              295           42,450
  CATG D1 EXCEPTION VALUES:             9,482,720                           9,436,403
 TOTAL TEST VALUES (4):             7,687,061,301                       8,100,033,206
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:               405,001,660
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                7,687,061,301 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:               7,695,031,546 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:               8,505,034,866 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                8,968,910,443 (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