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Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     19:13                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        109-907-109 Itasca

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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          6,719,574    1.0178       6,602,057        7
  2      A  - Single-family Residences          6,708,271     .9851       6,809,736        8
  3      A  - Single-family Residences          6,708,271    1.0016       6,697,555        8
  4      A  - Single-family Residences          6,722,400    1.0789       6,230,791       10
  5      D  - Rural Real                       27,316,910     .9538      28,640,082       17

Random Totals:                                 54,175,426                54,980,221       50
 Cat J Exception Values:                        8,255,910                 8,523,333
 Cat D1 Exception Values:                       9,709,580                 6,462,548
 Other Exception Values:                                0                         0
Exception Totals(3):                           17,965,490                14,985,881
Test Values(4):                                72,140,916                69,966,102

Margin of Error Percent:                                    5.6310697
Margin of Error Value:                                      3,939,840
Confidence Interval Values:
  State Lower Limit:                                       66,026,262  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                        72,140,916  (Within Confidence Interval Limits)
  State Upper Limit:                                       73,905,942  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                        74,655,690  (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.