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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     12:43                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        008-903-008 Brazos

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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         63,972,181     .9438      67,781,501       19
  2      D  - Rural Real                       35,608,721     .9325      38,186,296       14
  3      G  - Oil, Gas, Minerals              120,065,590     .9932     120,887,626       19

Random Totals:                                219,646,492               226,855,423       52
 Cat J Exception Values:                       16,336,963                16,944,424
 Cat D1 Exception Values:                      20,788,035                17,213,475
 Other Exception Values:                                0                         0
Exception Totals(3):                           37,124,998                34,157,899
Test Values(4):                               256,771,490               261,013,322

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     13,050,666
Confidence Interval Values:
  State Lower Limit:                                      247,962,656  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       256,771,490  (Within Confidence Interval Limits)
  State Upper Limit:                                      274,063,988  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       255,884,870  (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.