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Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     17:58                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        057-919-057 Sunnyvale

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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         63,523,714    1.0258      61,926,023       12
  2      A  - Single-family Residences         63,657,448     .9551      66,650,035       21
  3      A  - Single-family Residences         63,577,208     .9816      64,768,957        9
  4      A  - Single-family Residences         63,443,474    1.0525      60,278,835       10
  5      F  - Commercial Real                   5,261,131     .9832       5,351,028        6
  6      F  - Commercial Real                   6,053,163    1.0552       5,736,508        5
  7      L  - Commercial Personal              12,169,107    1.0618      11,460,828       11

Random Totals:                                277,685,245               276,172,214       74
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                         670,292                   647,022
 Other Exception Values:                       60,576,719                59,867,797
Exception Totals(3):                           61,247,011                60,514,819
Test Values(4):                               338,932,256               336,687,033

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     16,834,352
Confidence Interval Values:
  State Lower Limit:                                      319,852,681  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       338,932,256  (Within Confidence Interval Limits)
  State Upper Limit:                                      353,521,385  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       374,662,884  (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.