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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     15:42                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        152-910-152 Idalou

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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         12,899,178     .9060      14,237,503       14
  2      A  - Single-family Residences         12,861,223     .9382      13,708,402        7
  3      A  - Single-family Residences         12,877,489     .9320      13,817,048        7
  4      A  - Single-family Residences         12,893,756     .9979      12,920,890        7
  5      D  - Rural Real                       17,187,339    1.0196      16,856,943       10
  6      F  - Commercial Real                   2,172,382    1.0293       2,110,543        7
  7      F  - Commercial Real                   2,470,202    1.0042       2,459,871        5
  8      F  - Commercial Real                   2,251,980     .9893       2,276,337        2
  9      L  - Commercial Personal               5,695,585     .9989       5,701,857        7
 10      L  - Commercial Personal               5,769,276     .9961       5,791,864        5
 11      L  - Commercial Personal               6,494,298    1.0041       6,467,780        3

Random Totals:                                 93,572,708                96,349,038       74
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                      14,304,252                 9,284,135
 Other Exception Values:                        3,538,311                 3,597,160
Exception Totals(3):                           17,842,563                12,881,295
Test Values(4):                               111,415,271               109,230,333

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                      5,461,517
Confidence Interval Values:
  State Lower Limit:                                      103,768,816  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       111,415,271  (Within Confidence Interval Limits)
  State Upper Limit:                                      114,691,850  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       114,272,401  (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.