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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     17:20                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        249-901-249 Alvord

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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          7,439,051    1.0509       7,078,743        9
  2      A  - Single-family Residences          7,351,275     .9473       7,760,240        7
  3      A  - Single-family Residences          7,454,726    1.0226       7,289,973       12
  4      A  - Single-family Residences          7,523,693    1.0252       7,338,756        8
  5      D  - Rural Real                       55,063,570    1.0321      53,351,003       32
  6      G  - Oil, Gas, Minerals                8,848,610    1.0822       8,176,502       12

Random Totals:                                 93,680,925                90,995,217       80
 Cat J Exception Values:                        8,928,055                 9,881,027
 Cat D1 Exception Values:                       3,206,340                 3,074,689
 Other Exception Values:                                0                         0
Exception Totals(3):                           12,134,395                12,955,716
Test Values(4):                               105,815,320               103,950,933

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                      5,197,547
Confidence Interval Values:
  State Lower Limit:                                       98,753,386  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       105,815,320  (Within Confidence Interval Limits)
  State Upper Limit:                                      109,148,480  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       106,162,177  (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.