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Date:   1/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:      9:04                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        116-908-116 Quinlan

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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         66,284,521     .6265     105,801,310        9
  2      A  - Single-family Residences         66,340,340     .6957      95,357,683        8
  3      A  - Single-family Residences         66,312,430     .8691      76,300,115        7
  4      A  - Single-family Residences         66,200,793     .8335      79,425,067        8
  5      C  - Vacant Lots                       7,599,779    1.0727       7,084,720       12
  6      C  - Vacant Lots                       7,618,970     .9402       8,103,563       12
  7      C  - Vacant Lots                       7,570,992    1.0437       7,253,993       11
  8      C  - Vacant Lots                       7,577,389     .9965       7,604,003       16
  9      D  - Rural Real                       98,321,916    1.0317      95,300,878       36
 10      F  - Commercial Real                   6,556,925     .9589       6,837,965        7
 11      F  - Commercial Real                   6,450,242     .9487       6,799,032        7
 12      F  - Commercial Real                   6,614,370     .9104       7,265,345        7
 13      F  - Commercial Real                   6,376,384     .9585       6,652,461        4

Random Totals:                                419,825,051               509,786,135      144
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                       3,733,000                 3,458,884
 Other Exception Values:                                0                         0
Exception Totals(3):                            3,733,000                 3,458,884
Test Values(4):                               423,558,051               513,245,019

Margin of Error Percent:                                    7.0187684
Margin of Error Value:                                     36,023,479
Confidence Interval Values:
  Local Test Value:                                       423,558,051  (Outside of ConfidenceInterval Limits)
  State Lower Limit:                                      477,221,540  (State Test Value Minus Margin of Error Value)
  State Upper Limit:                                      549,268,498  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       456,454,774  (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.