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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     17:07                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        236-902-236 Huntsville

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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        150,739,084    1.0002     150,708,942       29
  2      A  - Single-family Residences        150,866,022     .9741     154,877,345       51
  3      A  - Single-family Residences        150,675,615     .9904     152,136,122       84
  4      A  - Single-family Residences        150,675,615     .9848     153,001,234       51
  5      B  - Multi-family Residences          20,780,628     .9605      21,635,219        7
  6      B  - Multi-family Residences          20,806,702    1.0056      20,690,833        5
  7      B  - Multi-family Residences          22,675,307     .9125      24,849,652        4
  8      D  - Rural Real                      142,172,620     .9551     148,856,266       20
  9      F  - Commercial Real                  38,398,500     .9535      40,271,106        7
 10      F  - Commercial Real                  38,093,240     .9395      40,546,291        7
 11      F  - Commercial Real                  38,478,832     .9550      40,291,971        6
 12      F  - Commercial Real                  37,643,383     .9621      39,126,269        5
 13      L  - Commercial Personal              22,142,197    1.0948      20,224,879        7
 14      L  - Commercial Personal              22,040,415    1.0475      21,040,969        7
 15      L  - Commercial Personal              22,669,612     .9867      22,975,182        6
 16      L  - Commercial Personal              21,041,101     .9603      21,910,966        4

Random Totals:                              1,049,898,873             1,073,143,246      300
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                      47,262,150                40,423,260
 Other Exception Values:                       16,020,750                16,690,718
Exception Totals(3):                           63,282,900                57,113,978
Test Values(4):                             1,113,181,773             1,130,257,224

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     56,512,861
Confidence Interval Values:
  State Lower Limit:                                    1,073,744,363  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                     1,113,181,773  (Within Confidence Interval Limits)
  State Upper Limit:                                    1,186,770,085  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                     1,107,508,899  (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.