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Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     17:45                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        047-903-047 Gustine

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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          1,711,756    1.0280       1,665,132       10
  2      A  - Single-family Residences          1,693,851     .8800       1,924,831        8
  3      A  - Single-family Residences          1,708,175     .9074       1,882,494        9
  4      A  - Single-family Residences          1,694,567     .8242       2,056,014        8
  5      D  - Rural Real                       16,704,905    1.0365      16,116,647       14

Random Totals:                                 23,513,254                23,645,118       49
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                       6,070,180                 6,349,505
 Other Exception Values:                                0                         0
Exception Totals(3):                            6,070,180                 6,349,505
Test Values(4):                                29,583,434                29,994,623

Margin of Error Percent:                                    7.2912335
Margin of Error Value:                                      2,186,978
Confidence Interval Values:
  State Lower Limit:                                       27,807,645  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                        29,583,434  (Within Confidence Interval Limits)
  State Upper Limit:                                       32,181,601  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                        27,568,425  (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.