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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     13:24                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        043-903-043 Celina

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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         46,464,770     .9760      47,607,346       23
  2      A  - Single-family Residences         46,347,533     .9975      46,463,692       40
  3      A  - Single-family Residences         46,445,230     .9841      47,195,641       16
  4      A  - Single-family Residences         46,386,612     .9976      46,498,208       12
  5      C  - Vacant Lots                       7,404,705     .8996       8,231,108       11
  6      C  - Vacant Lots                       7,382,922    1.0756       6,864,003       24
  7      D  - Rural Real                      101,914,529    1.0301      98,936,539       43

Random Totals:                                302,346,301               301,796,537      169
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                       6,905,491                 5,847,218
 Other Exception Values:                                0                         0
Exception Totals(3):                            6,905,491                 5,847,218
Test Values(4):                               309,251,792               307,643,755

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     15,382,188
Confidence Interval Values:
  State Lower Limit:                                      292,261,567  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       309,251,792  (Within Confidence Interval Limits)
  State Upper Limit:                                      323,025,943  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       325,638,245  (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.