School and Appraisal Districts' Property Value Study 2003 Preliminary Report



Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     14:15                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        091-910-091 Whitewright

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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         13,610,656    1.0700      12,720,239       10
  2      A  - Single-family Residences         13,564,926    1.1016      12,313,840        7
  3      A  - Single-family Residences         13,650,671     .9179      14,871,632        8
  4      A  - Single-family Residences         13,502,046     .9738      13,865,317        7
  5      D  - Rural Real                       30,481,163     .9962      30,597,433       17
  6      F  - Commercial Real                   1,456,125     .9717       1,498,533        6
  7      F  - Commercial Real                   1,518,415     .9619       1,578,558        6
  8      F  - Commercial Real                   1,444,406     .8438       1,711,787        4
  9      F  - Commercial Real                   1,438,239    1.0157       1,416,008        3
 10      L  - Commercial Personal               2,127,933     .9667       2,201,234       12
 11      L  - Commercial Personal               3,389,274     .9737       3,480,820        5

Random Totals:                                 96,183,854                96,255,401       85
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                       5,922,051                 5,052,289
 Other Exception Values:                                0                         0
Exception Totals(3):                            5,922,051                 5,052,289
Test Values(4):                               102,105,905               101,307,690

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                      5,065,385
Confidence Interval Values:
  State Lower Limit:                                       96,242,305  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       102,105,905  (Within Confidence Interval Limits)
  State Upper Limit:                                      106,373,075  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                        98,161,610  (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.