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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     13:09                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        031-914-031 Santa Rosa

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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          7,989,569     .9076       8,802,963       10
  2      A  - Single-family Residences          7,992,934     .9207       8,681,366       10
  3      A  - Single-family Residences          8,033,320     .9433       8,516,188       10
  4      A  - Single-family Residences          7,966,011     .9050       8,802,222       11
  5      C  - Vacant Lots                         860,662     .9945         865,422        7
  6      C  - Vacant Lots                         963,567    1.0128         951,389        7
  7      C  - Vacant Lots                       1,157,144     .9307       1,243,305        7
  8      C  - Vacant Lots                         431,051     .9793         440,162        6
  9      D  - Rural Real                        6,925,773     .7872       8,797,984       10

Random Totals:                                 42,320,031                47,101,001       78
 Cat J Exception Values:                        4,244,422                 4,459,420
 Cat D1 Exception Values:                       3,425,752                 3,458,134
 Other Exception Values:                                0                         0
Exception Totals(3):                            7,670,174                 7,917,554
Test Values(4):                                49,990,205                55,018,555

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                      2,750,928
Confidence Interval Values:
  Local Test Value:                                        49,990,205  (Outside of ConfidenceInterval Limits)
  State Lower Limit:                                       52,267,627  (State Test Value Minus Margin of Error Value)
  State Upper Limit:                                       57,769,483  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                        45,801,854  (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.