School and Appraisal Districts' Property Value Study 2003 Final Report



Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     20:33                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        182-903-182 Mineral Wells

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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         58,946,752     .9829      59,972,278       30
  2      A  - Single-family Residences         58,921,943     .9649      61,065,336       18
  3      A  - Single-family Residences         58,921,943     .9652      61,046,356       24
  4      A  - Single-family Residences         58,921,943     .9642      61,109,669       20
  5      D  - Rural Real                       53,525,321     .9697      55,197,815       13
  6      F  - Commercial Real                  15,255,699     .7927      19,245,237        7
  7      F  - Commercial Real                  15,480,520    1.0033      15,429,602        8
  8      F  - Commercial Real                  15,519,061    1.0178      15,247,653        7
  9      F  - Commercial Real                  14,786,787     .9748      15,169,047        5
 10      L  - Commercial Personal               7,445,291     .7095      10,493,715        7
 11      L  - Commercial Personal               7,567,396    1.0546       7,175,608        7
 12      L  - Commercial Personal               7,370,149    1.0279       7,170,103        5

Random Totals:                                372,662,805               388,322,419      151
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                       3,700,230                 3,918,119
 Other Exception Values:                        3,774,310                 3,774,310
Exception Totals(3):                            7,474,540                 7,692,429
Test Values(4):                               380,137,345               396,014,848

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     19,800,742
Confidence Interval Values:
  State Lower Limit:                                      376,214,106  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       380,137,345  (Within Confidence Interval Limits)
  State Upper Limit:                                      415,815,590  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       424,216,480  (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.