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
                                                        230-901-230 Big Sandy

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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          8,492,148     .9075       9,357,739       17
  2      A  - Single-family Residences          8,552,985     .9403       9,096,017       15
  3      A  - Single-family Residences          8,477,834     .8415      10,074,669       17
  4      A  - Single-family Residences          8,477,834     .8953       9,469,266       11
  5      D  - Rural Real                       35,564,788     .8592      41,392,910       20
  6      F  - Commercial Real                   1,759,941     .7691       2,288,312        7
  7      F  - Commercial Real                   1,800,157     .8902       2,022,194        7
  8      F  - Commercial Real                   1,646,952    1.0135       1,625,014        4
  9      F  - Commercial Real                   1,697,702     .9214       1,842,524        3
 10      G  - Oil, Gas, Minerals                2,208,830    1.0023       2,203,761        9
 11      L  - Commercial Personal               1,907,651     .6621       2,881,213       11
 12      L  - Commercial Personal               1,794,808     .8911       2,014,149        9
 13      L  - Commercial Personal               1,745,249     .9674       1,804,061        2

Random Totals:                                 84,126,879                96,071,829      132
 Cat J Exception Values:                       10,055,858                10,371,613
 Cat D1 Exception Values:                       7,023,228                 5,626,577
 Other Exception Values:                        9,211,415                 9,668,413
Exception Totals(3):                           26,290,501                25,666,603
Test Values(4):                               110,417,380               121,738,432

Margin of Error Percent:                                    8.6141031
Margin of Error Value:                                     10,486,674
Confidence Interval Values:
  Local Test Value:                                       110,417,380  (Outside of ConfidenceInterval Limits)
  State Lower Limit:                                      111,251,758  (State Test Value Minus Margin of Error Value)
  State Upper Limit:                                      132,225,106  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       113,056,449  (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.