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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     17:22                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        250-906-250 Alba-Golden

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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         19,446,228     .9757      19,930,540       16
  2      A  - Single-family Residences         19,380,835     .8601      22,533,235       16
  3      A  - Single-family Residences         19,487,098     .7922      24,598,710       16
  4      A  - Single-family Residences         19,364,486     .8698      22,263,148       20
  5      D  - Rural Real                       50,411,196     .8638      58,359,801       24
  6      F  - Commercial Real                   2,382,254     .8113       2,936,342        8
  7      F  - Commercial Real                   2,468,092     .8945       2,759,186        9
  8      F  - Commercial Real                   2,412,550     .9294       2,595,815        4

Random Totals:                                135,352,739               155,976,777      113
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                       5,856,320                 3,656,394
 Other Exception Values:                        2,884,110                 2,554,279
Exception Totals(3):                            8,740,430                 6,210,673
Test Values(4):                               144,093,169               162,187,450

Margin of Error Percent:                                    5.5477301
Margin of Error Value:                                      8,997,722
Confidence Interval Values:
  Local Test Value:                                       144,093,169  (Outside of ConfidenceInterval Limits)
  State Lower Limit:                                      153,189,728  (State Test Value Minus Margin of Error Value)
  State Upper Limit:                                      171,185,172  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       145,944,431  (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.