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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:12:46                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              101/Harris                                                VRSN:      W
                                                        101-902/Aldine ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              941,261,709        0.9452           995,833,378              53           13,337         .009296746
      2           A              938,186,378        0.9930           944,799,978              56           10,258         .004769397
      3           A              934,509,463        1.0025           932,179,015              55            8,746         .012816294
      4           A              934,897,703        1.0150           921,081,481              55            6,382         .007952798
      5           B              123,024,217        0.9536           129,010,295               6               67         .016727106
      6           B              125,286,024        0.9026           138,805,699               6               33         .018583574
      7           B              126,253,817        0.8730           144,620,638               9               23         .011230267
      8           B              116,670,476        0.8984           129,864,733               6               12         .002040016
      9           F1             602,823,604        0.8810           684,249,267              12            1,214         .029752163
     10           F1             603,193,603        0.9569           630,362,214              11              254         .031530028
     11           F1             607,701,592        1.0093           602,102,043               6               87         .001392218
     12           F1             596,138,269        0.9419           632,910,361               6               26         .012605499
     13           L1             373,340,112        0.9306           401,182,153               7            2,592         .006565026
     14           L1             375,643,135        0.8291           453,073,375               9              312         .026734095
     15           L1             378,349,518        0.9665           391,463,547               6               80         .012432755
     16           L1             365,164,638        0.9132           399,873,673               6               20         .067538400
  RANDOM TOTALS:               8,142,444,258                       8,531,411,850             309           43,443
  CATG D1 EXCEPTION VALUES:       10,373,199                          10,344,553
 TOTAL TEST VALUES (4):        8,152,817,457                       8,541,756,403
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:          427,087,820
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          8,114,668,583 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           8,152,817,457 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          8,968,844,223 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           9,647,478,392 (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