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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     16:50                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        220-919-220 Carroll

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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        670,435,817     .9772     686,078,405       50
  2      A  - Single-family Residences        669,589,663     .9834     680,892,478       50
  3      A  - Single-family Residences        669,589,663     .9914     675,398,087       50
  4      A  - Single-family Residences        669,589,663     .9843     680,269,900       49
  5      F  - Commercial Real                 128,316,246     .9593     133,760,290        7
  6      F  - Commercial Real                 125,502,293     .8913     140,808,138        6
  7      L  - Commercial Personal              44,273,307    1.1041      40,099,001        7
  8      L  - Commercial Personal              45,276,563    1.0607      42,685,550        6
  9      L  - Commercial Personal              44,626,305    1.0322      43,234,165        6
 10      L  - Commercial Personal              42,359,690    1.0017      42,287,801        2

Random Totals:                              3,109,559,210             3,165,513,815      233
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                         206,055                   160,353
 Other Exception Values:                      243,169,338               244,600,184
Exception Totals(3):                          243,375,393               244,760,537
Test Values(4):                             3,352,934,603             3,410,274,352

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                    170,513,718
Confidence Interval Values:
  State Lower Limit:                                    3,239,760,634  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                     3,352,934,603  (Within Confidence Interval Limits)
  State Upper Limit:                                    3,580,788,070  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                     3,573,363,794  (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.