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Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     20:52                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        201-910-201 Tatum

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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         17,380,722     .7580      22,929,712       10
  2      A  - Single-family Residences         17,366,110     .9437      18,402,151        8
  3      A  - Single-family Residences         17,388,028     .8005      21,721,459        9
  4      A  - Single-family Residences         17,285,745    1.0078      17,151,960        9
  5      D  - Rural Real                       23,436,160     .9648      24,291,211        9
  6      G  - Oil, Gas, Minerals              179,581,480     .9853     182,260,712       12

Random Totals:                                272,438,245               286,757,205       57
 Cat J Exception Values:                       12,486,243                12,956,438
 Cat D1 Exception Values:                       9,023,910                 8,945,313
 Other Exception Values:                                0                         0
Exception Totals(3):                           21,510,153                21,901,751
Test Values(4):                               293,948,398               308,658,956

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     15,432,948
Confidence Interval Values:
  State Lower Limit:                                      293,226,008  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       293,948,398  (Within Confidence Interval Limits)
  State Upper Limit:                                      324,091,904  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                     1,159,520,448  (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.