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Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     16:59                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        013-903-013 Pettus

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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          3,418,960     .9618       3,554,752        7
  2      A  - Single-family Residences          3,457,926     .9985       3,463,121        7
  3      A  - Single-family Residences          3,410,301     .9262       3,682,035        7
  4      A  - Single-family Residences          3,424,733     .9420       3,635,598        6
  5      D  - Rural Real                       13,822,220     .9501      14,548,174       10
  6      G  - Oil, Gas, Minerals               61,030,160    1.1065      55,156,042       12

Random Totals:                                 88,564,300                84,039,722       49
 Cat J Exception Values:                        7,066,782                 7,833,753
 Cat D1 Exception Values:                       8,409,750                 7,025,581
 Other Exception Values:                                0                         0
Exception Totals(3):                           15,476,532                14,859,334
Test Values(4):                               104,040,832                98,899,056

Margin of Error Percent:                                    9.5145762
Margin of Error Value:                                      9,409,826
Confidence Interval Values:
  State Lower Limit:                                       89,489,230  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       104,040,832  (Within Confidence Interval Limits)
  State Upper Limit:                                      108,308,882  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       110,325,241  (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.