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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     13:58                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        073-901-073 Chilton

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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          3,555,785     .9208       3,861,626       15
  2      A  - Single-family Residences          3,539,365    1.0764       3,288,150       15
  3      A  - Single-family Residences          3,542,350    1.1530       3,072,290       16
  4      A  - Single-family Residences          3,549,814    1.0419       3,407,058       16
  5      D  - Rural Real                       10,097,940     .9170      11,011,930       11
  6      L  - Commercial Personal                 268,236     .9734         275,566        2

Random Totals:                                 24,553,490                24,916,620       75
 Cat J Exception Values:                        2,141,055                 2,362,125
 Cat D1 Exception Values:                       6,095,420                 6,207,326
 Other Exception Values:                        1,981,270                 1,906,707
Exception Totals(3):                           10,217,745                10,476,158
Test Values(4):                                34,771,235                35,392,778

Margin of Error Percent:                                    5.6136226
Margin of Error Value:                                      1,986,817
Confidence Interval Values:
  State Lower Limit:                                       33,405,961  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                        34,771,235  (Within Confidence Interval Limits)
  State Upper Limit:                                       37,379,595  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                        34,846,929  (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.