School and Appraisal Districts' Property Value Study 2003 Preliminary Report



Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     16:43                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        215-901-215 Breckenridge

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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         23,281,937     .9479      24,561,596       13
  2      A  - Single-family Residences         23,281,937     .8150      28,566,794       14
  3      A  - Single-family Residences         23,311,333     .9769      23,862,558        9
  4      A  - Single-family Residences         23,213,345     .9284      25,003,603       11
  5      D  - Rural Real                       31,474,910     .6592      47,747,133       23
  6      F  - Commercial Real                   5,893,567     .8558       6,886,617       10
  7      F  - Commercial Real                   5,970,429     .9532       6,263,564        9
  8      F  - Commercial Real                   5,883,649    1.0254       5,737,906        7
  9      F  - Commercial Real                   5,809,267     .9650       6,019,966        5
 10      G  - Oil, Gas, Minerals              144,765,620    1.2055     120,087,615       23

Random Totals:                                292,885,994               294,737,352      124
 Cat J Exception Values:                       20,321,373                20,966,444
 Cat D1 Exception Values:                      18,239,180                27,765,088
 Other Exception Values:                                0                         0
Exception Totals(3):                           38,560,553                48,731,532
Test Values(4):                               331,446,547               343,468,884

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     17,173,444
Confidence Interval Values:
  State Lower Limit:                                      326,295,440  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       331,446,547  (Within Confidence Interval Limits)
  State Upper Limit:                                      360,642,328  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       350,152,160  (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.