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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     16:52                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        224-902-224 Woodson

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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            564,232    1.0040         561,984        9
  2      A  - Single-family Residences            557,633     .9509         586,427        7
  3      A  - Single-family Residences            566,589    1.0051         563,714        9
  4      A  - Single-family Residences            552,684     .9824         562,586        8
  5      D  - Rural Real                        3,861,310     .9216       4,189,789       11
  6      G  - Oil, Gas, Minerals                8,380,121    1.0718       7,818,736       12

Random Totals:                                 14,482,569                14,283,236       56
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                       4,991,950                 5,708,448
 Other Exception Values:                        3,071,309                 3,155,171
Exception Totals(3):                            8,063,259                 8,863,619
Test Values(4):                                22,545,828                23,146,855

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                      1,157,343
Confidence Interval Values:
  State Lower Limit:                                       21,989,512  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                        22,545,828  (Within Confidence Interval Limits)
  State Upper Limit:                                       24,304,198  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                        23,145,865  (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.