School and Appraisal Districts' Property Value Study 2003 Final Report



Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     20:52                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        201-908-201 Overton

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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          7,780,808     .9343       8,327,955        8
  2      A  - Single-family Residences          7,738,326    1.0010       7,730,595        8
  3      A  - Single-family Residences          7,777,540    1.0064       7,728,080        8
  4      A  - Single-family Residences          7,761,201     .9717       7,987,240        8
  5      D  - Rural Real                        4,430,830     .9046       4,898,110       10
  6      F  - Commercial Real                     948,646     .9276       1,022,689        9
  7      F  - Commercial Real                     991,748     .9309       1,065,365        8
  8      F  - Commercial Real                   1,040,086     .9662       1,076,471        7
  9      L  - Commercial Personal                 876,622     .9709         902,896        6
 10      L  - Commercial Personal                 867,058     .9551         907,819        5
 11      L  - Commercial Personal               1,126,035    1.0174       1,106,777        4

Random Totals:                                 41,338,900                42,753,997       81
 Cat J Exception Values:                        5,729,568                 5,959,223
 Cat D1 Exception Values:                       1,372,300                 1,690,382
 Other Exception Values:                        1,318,670                 1,355,181
Exception Totals(3):                            8,420,538                 9,004,786
Test Values(4):                                49,759,438                51,758,783

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                      2,587,939
Confidence Interval Values:
  State Lower Limit:                                       49,170,844  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                        49,759,438  (Within Confidence Interval Limits)
  State Upper Limit:                                       54,346,722  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                        41,831,560  (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.