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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     17:06                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        235-901-235 Bloomington

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                                                              (1)                         (2)
  (1)                  (1)                        (1)       Stratum         (1)         Sample
Stratum              Category                 Local Value    Ratio      State Value      Size
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  1      A  - Single-family Residences          7,392,797     .9004       8,210,570       12
  2      A  - Single-family Residences          7,389,690     .8880       8,321,723       12
  3      A  - Single-family Residences          7,374,152     .9523       7,743,518       12
  4      A  - Single-family Residences          7,367,937     .9716       7,583,303       11
  5      D  - Rural Real                        8,155,490     .9413       8,664,071       16
  6      G  - Oil, Gas, Minerals                8,139,890     .9941       8,188,200       12

Random Totals:                                 45,819,956                48,711,385       75
 Cat J Exception Values:                       13,598,395                14,991,419
 Cat D1 Exception Values:                       9,058,740                 8,922,900
 Other Exception Values:                                0                         0
Exception Totals(3):                           22,657,135                23,914,319
Test Values(4):                                68,477,091                72,625,704

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                      3,631,285
Confidence Interval Values:
  Local Test Value:                                        68,477,091  (Outside of ConfidenceInterval Limits)
  State Lower Limit:                                       68,994,419  (State Test Value Minus Margin of Error Value)
  State Upper Limit:                                       76,256,989  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       106,867,961  (See ISD Summary Worksheet)


Sources:

(1) See Stratified Ratio Detail Report VAL7214.
(2) Number of parcels sampled by staff.
(3) Exception value includes, if tested, D1, the J sample, and any parcels in A,B,C,D,F1,G or L1 marked as exception properties.
(4) Unstudied categories and sub-categories were not included in the test values.
(5) Includes local value of unstudied property categories and sub-categories.