School and Appraisal Districts' Property Value Study 2003 Final Report



Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     18:20                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        073-903-073 Marlin

------------------------------------------------------------------------------------------------------------------------------------
                                                              (1)                         (2)
  (1)                  (1)                        (1)       Stratum         (1)         Sample
Stratum              Category                 Local Value    Ratio      State Value      Size
------------------------------------------------------------------------------------------------------------------------------------
  1      A  - Single-family Residences         18,967,205    1.1480      16,521,956       10
  2      A  - Single-family Residences         19,015,082     .9906      19,195,520       14
  3      A  - Single-family Residences         18,927,308     .9999      18,929,201       10
  4      A  - Single-family Residences         18,903,369     .9696      19,496,049        9
  5      D  - Rural Real                       20,218,880     .9111      22,191,724       18
  6      F  - Commercial Real                   3,984,786    1.1902       3,347,997        7
  7      F  - Commercial Real                   4,086,917     .9627       4,245,265        7
  8      F  - Commercial Real                   3,956,324    1.0496       3,769,364        5
  9      F  - Commercial Real                   3,887,678     .9386       4,141,997        5
 10      L  - Commercial Personal               3,481,948     .9343       3,726,799        7
 11      L  - Commercial Personal               3,636,249     .9013       4,034,449        6
 12      L  - Commercial Personal               3,329,104    1.0152       3,279,259        4

Random Totals:                                122,394,850               122,879,580      102
 Cat J Exception Values:                       18,634,638                19,292,328
 Cat D1 Exception Values:                      20,199,390                19,002,741
 Other Exception Values:                        2,188,568                 2,199,776
Exception Totals(3):                           41,022,596                40,494,845
Test Values(4):                               163,417,446               163,374,425

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                      8,168,721
Confidence Interval Values:
  State Lower Limit:                                      155,205,704  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       163,417,446  (Within Confidence Interval Limits)
  State Upper Limit:                                      171,543,146  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       163,847,314  (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.