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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     16:32                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        202-903-202 Hemphil

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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         40,193,635     .8986      44,729,173       24
  2      A  - Single-family Residences         40,007,788     .8861      45,150,421       15
  3      A  - Single-family Residences         40,142,949     .8162      49,182,736       15
  4      A  - Single-family Residences         40,024,683     .8960      44,670,405       15
  5      C  - Vacant Lots                       5,028,898     .8923       5,635,883       12
  6      C  - Vacant Lots                       4,570,446    1.0666       4,285,061       18
  7      C  - Vacant Lots                       4,019,499     .9216       4,361,436       13
  8      C  - Vacant Lots                       4,494,037     .8918       5,039,288        9
  9      D  - Rural Real                       27,103,707    1.0362      26,156,830       14
 10      F  - Commercial Real                   3,630,705     .9514       3,816,171        7
 11      F  - Commercial Real                   3,616,975     .9105       3,972,515        7
 12      F  - Commercial Real                   3,699,352     .9687       3,818,883        6
 13      F  - Commercial Real                   3,549,853     .9189       3,863,155        4

Random Totals:                                220,082,527               244,681,957      159
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                      29,046,863                22,275,168
 Other Exception Values:                                0                         0
Exception Totals(3):                           29,046,863                22,275,168
Test Values(4):                               249,129,390               266,957,125

Margin of Error Percent:                                    5.0405529
Margin of Error Value:                                     13,456,115
Confidence Interval Values:
  Local Test Value:                                       249,129,390  (Outside of ConfidenceInterval Limits)
  State Lower Limit:                                      253,501,010  (State Test Value Minus Margin of Error Value)
  State Upper Limit:                                      280,413,240  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       229,849,878  (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.