School and Appraisal Districts' Property Value Study 2003 Preliminary Report



Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     17:01                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        230-902-230 Gilmer

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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         43,234,273     .9462      45,692,531       16
  2      A  - Single-family Residences         43,307,120     .9174      47,206,366       22
  3      A  - Single-family Residences         43,252,485     .9703      44,576,404       18
  4      A  - Single-family Residences         43,197,850     .9274      46,579,523       17
  5      D  - Rural Real                      128,524,829     .8922     144,053,832       50
  6      F  - Commercial Real                  10,433,553     .9179      11,366,764       11
  7      F  - Commercial Real                  10,569,796     .8373      12,623,667       12
  8      F  - Commercial Real                  10,780,752     .7804      13,814,393        8
  9      F  - Commercial Real                   9,963,296     .9286      10,729,373        3
 10      G  - Oil, Gas, Minerals              172,139,940    1.0266     167,679,661       21

Random Totals:                                515,403,894               544,322,514      178
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                      17,684,247                13,164,563
 Other Exception Values:                                0                         0
Exception Totals(3):                           17,684,247                13,164,563
Test Values(4):                               533,088,141               557,487,077

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     27,874,354
Confidence Interval Values:
  State Lower Limit:                                      529,612,723  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       533,088,141  (Within Confidence Interval Limits)
  State Upper Limit:                                      585,361,431  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       533,987,569  (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.