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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     12:59                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        020-902-020 Angleton

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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        142,344,896     .9841     144,644,747       32
  2      A  - Single-family Residences        142,225,127     .9923     143,328,758       50
  3      A  - Single-family Residences        142,165,243     .9826     144,682,722       50
  4      A  - Single-family Residences        142,165,243     .9723     146,215,410       50
  5      D  - Rural Real                       47,958,230     .9414      50,943,520       12
  6      F  - Commercial Real                  21,326,691     .9254      23,045,916        7
  7      F  - Commercial Real                  21,586,991     .8318      25,952,141        8
  8      F  - Commercial Real                  21,407,474     .9051      23,652,054        9
  9      F  - Commercial Real                  20,976,632     .9345      22,446,904        6
 10      G  - Oil, Gas, Minerals               36,202,020     .9550      37,907,874        9
 11      L  - Commercial Personal              17,829,387     .9856      18,089,881        8
 12      L  - Commercial Personal              18,234,089     .9958      18,310,995        7
 13      L  - Commercial Personal              18,803,670     .9998      18,807,431        5

Random Totals:                                793,225,693               818,028,353      253
 Cat J Exception Values:                       53,773,130                56,171,686
 Cat D1 Exception Values:                      16,895,950                16,628,032
 Other Exception Values:                       16,725,560                16,750,364
Exception Totals(3):                           87,394,640                89,550,082
Test Values(4):                               880,620,333               907,578,435

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     45,378,922
Confidence Interval Values:
  State Lower Limit:                                      862,199,513  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       880,620,333  (Within Confidence Interval Limits)
  State Upper Limit:                                      952,957,357  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                     1,899,981,748  (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.