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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     14:36                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        105-905-105 Wimberley

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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        161,643,160     .9689     166,831,623       48
  2      A  - Single-family Residences        161,711,221     .9909     163,196,307       50
  3      A  - Single-family Residences        161,711,221     .9997     161,759,749       38
  4      A  - Single-family Residences        161,575,100     .9523     169,668,277       14
  5      C  - Vacant Lots                      18,297,296     .9979      18,335,801       35
  6      C  - Vacant Lots                      18,274,213     .9480      19,276,596       17
  7      C  - Vacant Lots                      18,274,213     .9508      19,219,829       26
  8      C  - Vacant Lots                      18,251,130     .9092      20,073,834       11
  9      D  - Rural Real                      131,101,595     .9586     136,763,608       27

Random Totals:                                850,839,149               875,125,624      266
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                       3,838,600                 3,914,694
 Other Exception Values:                                0                         0
Exception Totals(3):                            3,838,600                 3,914,694
Test Values(4):                               854,677,749               879,040,318

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     43,952,016
Confidence Interval Values:
  State Lower Limit:                                      835,088,302  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       854,677,749  (Within Confidence Interval Limits)
  State Upper Limit:                                      922,992,334  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       852,226,298  (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.