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Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     17:16                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        022-901-022 Alpine

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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         36,234,671     .7986      45,372,741       13
  2      A  - Single-family Residences         36,265,185     .9161      39,586,492       12
  3      A  - Single-family Residences         36,295,698     .9598      37,815,897       11
  4      A  - Single-family Residences         36,112,618     .9804      36,834,576        9
  5      C  - Vacant Lots                      24,141,374    1.0360      23,302,485       37
  6      D  - Rural Real                        9,252,316     .9676       9,562,129        8
  7      F  - Commercial Real                   6,701,647     .7044       9,513,979        9
  8      F  - Commercial Real                   6,746,374     .7529       8,960,518        8
  9      F  - Commercial Real                   6,720,283     .8910       7,542,405        9
 10      F  - Commercial Real                   6,418,374     .8588       7,473,654        5
 11      L  - Commercial Personal               4,069,623     .8835       4,606,251        7
 12      L  - Commercial Personal               4,084,783     .9591       4,258,975        6
 13      L  - Commercial Personal               7,839,414     .9188       8,532,231        8

Random Totals:                                220,882,360               243,362,333      142
 Cat J Exception Values:                       15,073,587                15,705,532
 Cat D1 Exception Values:                      14,798,454                16,318,222
 Other Exception Values:                        2,509,619                 2,548,919
Exception Totals(3):                           32,381,660                34,572,673
Test Values(4):                               253,264,020               277,935,006

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     13,896,750
Confidence Interval Values:
  Local Test Value:                                       253,264,020  (Outside of ConfidenceInterval Limits)
  State Lower Limit:                                      264,038,256  (State Test Value Minus Margin of Error Value)
  State Upper Limit:                                      291,831,756  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       264,073,864  (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.