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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     13:39                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        057-903-057 Carrollton-Farmers Branch

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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      1,134,093,228     .9719   1,166,882,630       75
  2      A  - Single-family Residences      1,134,093,228     .9912   1,144,161,852       75
  3      A  - Single-family Residences      1,133,615,715     .9796   1,157,223,066       75
  4      A  - Single-family Residences      1,134,093,228    1.0029   1,130,813,868       75
  5      B  - Multi-family Residences         402,798,913    1.0388     387,754,056        7
  6      B  - Multi-family Residences         390,441,069     .9860     395,984,857        6
  7      B  - Multi-family Residences         448,055,342     .9966     449,583,927        7
  8      B  - Multi-family Residences         346,520,624     .9402     368,560,545        5
  9      C  - Vacant Lots                      92,146,530    1.0236      90,022,011        7
 10      C  - Vacant Lots                      92,457,049    1.0570      87,471,191        7
 11      C  - Vacant Lots                      92,728,753    1.0421      88,982,586        6
 12      C  - Vacant Lots                      91,447,862    1.0026      91,210,714        5
 13      F  - Commercial Real                 843,098,372    1.0873     775,405,474        8
 14      F  - Commercial Real                 845,582,247     .9127     926,462,416        7
 15      F  - Commercial Real                 843,098,372     .9524     885,235,586        7
 16      F  - Commercial Real                 839,549,978    1.0560     795,028,388        6
 17      L  - Commercial Personal             429,996,079    1.0459     411,125,422        8
 18      L  - Commercial Personal             429,996,079     .9074     473,877,098        7
 19      L  - Commercial Personal             431,081,014     .9848     437,734,580        8
 20      L  - Commercial Personal             426,741,272     .8436     505,857,364        6

Random Totals:                             11,581,634,954            11,769,377,631      407
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                          22,189                    16,317
 Other Exception Values:                                0                         0
Exception Totals(3):                               22,189                    16,317
Test Values(4):                            11,581,657,143            11,769,393,948

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                    588,469,697
Confidence Interval Values:
  State Lower Limit:                                   11,180,924,251  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                    11,581,657,143  (Within Confidence Interval Limits)
  State Upper Limit:                                   12,357,863,645  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                    12,468,171,320  (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.