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Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     17:45                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        047-901-047 Comanche

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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         19,751,600    1.0504      18,803,884       19
  2      A  - Single-family Residences         19,768,233     .9389      21,054,674       15
  3      A  - Single-family Residences         19,743,283     .9426      20,945,558       15
  4      A  - Single-family Residences         19,743,283     .8479      23,284,919       20
  5      D  - Rural Real                       50,839,485     .8574      59,294,944       24
  6      F  - Commercial Real                   5,160,531     .9051       5,701,614        8
  7      F  - Commercial Real                   5,140,983     .9123       5,635,189        9
  8      F  - Commercial Real                   5,310,395     .8826       6,016,763        8
  9      F  - Commercial Real                   5,004,151     .9817       5,097,434        5
 10      L  - Commercial Personal               3,601,074     .9289       3,876,708        8
 11      L  - Commercial Personal               3,544,293     .9746       3,636,664        6
 12      L  - Commercial Personal               3,950,722    1.0231       3,861,521        6

Random Totals:                                161,558,033               177,209,872      143
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                      15,478,370                16,685,678
 Other Exception Values:                        3,143,520                 3,012,610
Exception Totals(3):                           18,621,890                19,698,288
Test Values(4):                               180,179,923               196,908,160

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                      9,845,408
Confidence Interval Values:
  Local Test Value:                                       180,179,923  (Outside of ConfidenceInterval Limits)
  State Lower Limit:                                      187,062,752  (State Test Value Minus Margin of Error Value)
  State Upper Limit:                                      206,753,568  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       189,670,247  (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.