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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:33:20                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              189/Presidio                                              VRSN:      W
                                                        189-902/Presidio ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                8,658,028        0.7791            11,112,858              11              521         .048969875
      2           A                8,653,979        0.8553            10,118,063              11              311         .019659081
      3           A                8,640,934        0.9049             9,549,049              13              216         .029528458
      4           A                8,621,500        0.9099             9,475,217               8              130         .027365717
      5           C                1,309,594        0.8668             1,510,838               8            1,191         .069212264
      6           C                1,197,487        0.8066             1,484,611               8              375         .058900979
      7           C                1,250,435        0.9578             1,305,528               8              213         .031919122
      8           C                1,251,688        1.0044             1,246,205               7               81         .000056475
      9           D3              11,936,553        0.9992            11,946,110              20            3,256         .092614999
     10           F1               2,230,319        0.9467             2,355,888               8               84         .041272076
     11           F1               2,212,283        0.9110             2,428,412               7               40         .010799672
     12           F1               2,214,756        0.9043             2,449,139               6               15         .033735088
     13           F1               2,119,242        1.0583             2,002,496               4                5         .001468299
     14           L1               1,257,087        1.0292             1,221,421               9               45         .003751369
     15           L1               1,300,850        1.0000             1,300,850               5               13
     16           L1               2,343,198        0.9725             2,409,458               7                9         .001829909
  RANDOM TOTALS:                  65,197,933                          71,916,143             140            6,505
  CATG J  EXCEPTION VALUES:        2,181,711                           2,191,711
  CATG D1 EXCEPTION VALUES:        3,154,340                           3,690,654
 TOTAL TEST VALUES (4):           70,533,984                          77,798,508
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            3,889,925
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:              70,533,984 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:             73,908,583 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:             81,688,433 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              73,781,809 (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