School and Appraisal Districts' Property Value Study 2003 Final Report



Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     18:23                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        075-902-075 La Grange

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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         50,772,558     .8840      57,435,020       15
  2      A  - Single-family Residences         50,836,638     .9084      55,962,834       18
  3      A  - Single-family Residences         50,558,959     .9972      50,700,922       13
  4      A  - Single-family Residences         50,751,198     .9258      54,818,749       12
  5      D  - Rural Real                      150,726,575     .9506     158,559,410       29
  6      F  - Commercial Real                  12,952,283     .9836      13,168,242        7
  7      F  - Commercial Real                  12,990,474     .9311      13,951,750        8
  8      F  - Commercial Real                  13,241,445     .9324      14,201,464        8
  9      F  - Commercial Real                  12,652,209     .9217      13,727,036        4
 10      G  - Oil, Gas, Minerals              138,893,150    1.0102     137,490,744       41

Random Totals:                                544,375,489               570,016,171      155
 Cat J Exception Values:                       12,967,043                13,760,542
 Cat D1 Exception Values:                      17,578,810                15,804,298
 Other Exception Values:                                0                         0
Exception Totals(3):                           30,545,853                29,564,840
Test Values(4):                               574,921,342               599,581,011

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     29,979,051
Confidence Interval Values:
  State Lower Limit:                                      569,601,960  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       574,921,342  (Within Confidence Interval Limits)
  State Upper Limit:                                      629,560,062  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       633,495,086  (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.