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Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     19:55                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        149-901-149 George West

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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         18,682,559     .9430      19,811,834        7
  2      A  - Single-family Residences         18,674,696     .8765      21,305,985        6
  3      A  - Single-family Residences         18,674,696     .9295      20,091,120        7
  4      A  - Single-family Residences         18,666,833     .9981      18,702,367        7
  5      D  - Rural Real                       37,483,700    1.0009      37,449,995       20
  6      F  - Commercial Real                   4,190,104     .9704       4,317,914        7
  7      F  - Commercial Real                   4,153,471     .9787       4,243,865        6
  8      F  - Commercial Real                   4,483,167     .9940       4,510,228        5
  9      F  - Commercial Real                   3,726,088     .9690       3,845,292        3
 10      G  - Oil, Gas, Minerals               81,165,980     .9817      82,679,006       19

Random Totals:                                209,901,294               216,957,606       87
 Cat J Exception Values:                       18,742,969                19,223,242
 Cat D1 Exception Values:                      24,509,720                29,819,750
 Other Exception Values:                                0                         0
Exception Totals(3):                           43,252,689                49,042,992
Test Values(4):                               253,153,983               266,000,598

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     13,300,030
Confidence Interval Values:
  State Lower Limit:                                      252,700,568  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       253,153,983  (Within Confidence Interval Limits)
  State Upper Limit:                                      279,300,628  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       300,849,557  (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.