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Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     17:51                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        054-903-054 Ralls

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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          6,675,155    1.2149       5,494,407        7
  2      A  - Single-family Residences          6,694,805    1.2714       5,265,695       11
  3      A  - Single-family Residences          6,655,506     .9843       6,761,664        9
  4      A  - Single-family Residences          6,649,892    1.1880       5,597,552        9
  5      D  - Rural Real                        5,156,320     .9644       5,346,661       11
  6      F  - Commercial Real                   1,119,731    1.0707       1,045,793        7
  7      F  - Commercial Real                   1,100,729    1.0148       1,084,676        5
  8      F  - Commercial Real                   1,167,005     .9580       1,218,168        4
  9      F  - Commercial Real                   1,021,013     .9985       1,022,547        2
 10      G  - Oil, Gas, Minerals                1,063,847    1.0101       1,053,210        8
 11      L  - Commercial Personal                 764,796     .9888         773,459        7
 12      L  - Commercial Personal                 800,215    1.0128         790,102        5
 13      L  - Commercial Personal                 689,017    1.0330         667,006        5

Random Totals:                                 39,558,031                36,120,940       90
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                      21,302,780                15,291,581
 Other Exception Values:                       10,620,139                10,329,818
Exception Totals(3):                           31,922,919                25,621,399
Test Values(4):                                71,480,950                61,742,339

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                      3,087,117
Confidence Interval Values:
  State Lower Limit:                                       58,655,222  (State Test Value Minus Margin of Error Value)
  State Upper Limit:                                       64,829,456  (State Test Value Plus Margin of Error Value)
  Local Test Value:                                        71,480,950  (Outside of ConfidenceInterval Limits)
Value Assigned (5):                                        72,221,829  (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.