School and Appraisal Districts' Property Value Study 2003 Preliminary Report



Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     15:38                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        150-901-150 Llano

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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        278,838,152     .9701     287,432,380       52
  2      A  - Single-family Residences        278,955,557     .9466     294,692,116       43
  3      A  - Single-family Residences        278,720,746     .9738     286,219,702       30
  4      A  - Single-family Residences        278,838,152     .9416     296,132,277       19
  5      C  - Vacant Lots                      35,621,258     .7309      48,736,158       20
  6      C  - Vacant Lots                      36,176,200     .8579      42,168,318        7
  7      C  - Vacant Lots                      35,111,312     .7771      45,182,489        7
  8      C  - Vacant Lots                      35,561,264    1.0238      34,734,581        5
  9      D  - Rural Real                       86,163,008    1.0081      85,470,695       13
 10      F  - Commercial Real                  21,941,461     .9911      22,138,494        7
 11      F  - Commercial Real                  21,950,660     .8968      24,476,650        7
 12      F  - Commercial Real                  21,987,459     .9691      22,688,535        6
 13      F  - Commercial Real                  21,545,870     .9907      21,748,128        5

Random Totals:                              1,431,411,099             1,511,820,523      221
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                      35,704,691                36,144,888
 Other Exception Values:                                0                         0
Exception Totals(3):                           35,704,691                36,144,888
Test Values(4):                             1,467,115,790             1,547,965,411

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     77,398,271
Confidence Interval Values:
  Local Test Value:                                     1,467,115,790  (Outside of ConfidenceInterval Limits)
  State Lower Limit:                                    1,470,567,140  (State Test Value Minus Margin of Error Value)
  State Upper Limit:                                    1,625,363,682  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                     1,382,994,287  (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.