School and Appraisal Districts' Property Value Study 2003 Preliminary Report



Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     17:11                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        241-904-241 Wharton

------------------------------------------------------------------------------------------------------------------------------------
                                                              (1)                         (2)
  (1)                  (1)                        (1)       Stratum         (1)         Sample
Stratum              Category                 Local Value    Ratio      State Value      Size
------------------------------------------------------------------------------------------------------------------------------------
  1      A  - Single-family Residences         41,447,555    1.0526      39,376,359       24
  2      A  - Single-family Residences         41,412,666     .9654      42,896,899       19
  3      A  - Single-family Residences         41,499,887     .9729      42,655,861       17
  4      A  - Single-family Residences         41,377,778    1.0064      41,114,644       16
  5      D  - Rural Real                       25,684,349     .9966      25,771,974       21
  6      F  - Commercial Real                  11,209,721     .9337      12,005,699        8
  7      F  - Commercial Real                  11,426,745     .9371      12,193,731        7
  8      F  - Commercial Real                  11,247,465     .9003      12,493,019        5
  9      G  - Oil, Gas, Minerals               42,239,710     .9835      42,948,358       12
 10      L  - Commercial Personal               4,253,832    1.0151       4,190,555        7
 11      L  - Commercial Personal               4,276,932    1.0296       4,153,974        7
 12      L  - Commercial Personal               4,436,850    1.0519       4,217,939        6
 13      L  - Commercial Personal               3,912,673    1.0007       3,909,936        4

Random Totals:                                284,426,163               287,928,948      153
 Cat J Exception Values:                       22,425,382                23,241,878
 Cat D1 Exception Values:                      23,081,950                22,888,867
 Other Exception Values:                       10,977,950                11,153,561
Exception Totals(3):                           56,485,282                57,284,306
Test Values(4):                               340,911,445               345,213,254

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     17,260,663
Confidence Interval Values:
  State Lower Limit:                                      327,952,591  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       340,911,445  (Within Confidence Interval Limits)
  State Upper Limit:                                      362,473,917  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       440,704,561  (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.