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Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     17:34                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        040-901-040 Morton

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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          3,885,772    1.0048       3,867,209        9
  2      A  - Single-family Residences          3,848,284    1.0069       3,821,913        7
  3      A  - Single-family Residences          3,889,032     .9332       4,167,415        7
  4      A  - Single-family Residences          3,856,433    1.0430       3,697,443        7
  5      D  - Rural Real                        5,283,120     .9374       5,635,929       15
  6      F  - Commercial Real                     769,006     .9236         832,618        7
  7      F  - Commercial Real                     766,416     .9152         837,430        6
  8      F  - Commercial Real                     861,287     .9760         882,466        5
  9      F  - Commercial Real                     683,525    1.0250         666,854        3
 10      G  - Oil, Gas, Minerals                1,508,814     .8986       1,679,072       12
 11      L  - Commercial Personal               1,300,949     .9746       1,334,854        8
 12      L  - Commercial Personal               1,297,682     .9867       1,315,174        5
 13      L  - Commercial Personal               1,361,395     .9940       1,369,613        4

Random Totals:                                 29,311,715                30,107,990       95
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                      21,229,090                19,440,543
 Other Exception Values:                        3,857,646                 3,464,063
Exception Totals(3):                           25,086,736                22,904,606
Test Values(4):                                54,398,451                53,012,596

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                      2,650,630
Confidence Interval Values:
  State Lower Limit:                                       50,361,966  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                        54,398,451  (Within Confidence Interval Limits)
  State Upper Limit:                                       55,663,226  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                        54,723,088  (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.