School and Appraisal Districts' Property Value Study 2003 Final Report



Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     17:51                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        055-901-055 Culberson-Allamore

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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          4,219,641     .9570       4,409,238       13
  2      A  - Single-family Residences          4,166,719     .9697       4,296,916       15
  3      A  - Single-family Residences          4,177,304     .9549       4,374,598       13
  4      A  - Single-family Residences          4,193,180     .9753       4,299,375       14
  5      D  - Rural Real                        6,564,070     .9522       6,893,583       14
  6      F  - Commercial Real                   4,370,930     .9328       4,685,817       12
  7      F  - Commercial Real                   4,266,259     .8596       4,963,075       10
  8      F  - Commercial Real                   4,468,383     .8745       5,109,643        5
  9      G  - Oil, Gas, Minerals                8,075,570    1.1410       7,077,625       12

Random Totals:                                 44,502,056                46,109,870      108
 Cat J Exception Values:                       46,762,540                45,807,246
 Cat D1 Exception Values:                      18,990,030                21,788,639
 Other Exception Values:                        7,067,710                 6,848,890
Exception Totals(3):                           72,820,280                74,444,775
Test Values(4):                               117,322,336               120,554,645

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                      6,027,732
Confidence Interval Values:
  State Lower Limit:                                      114,526,913  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       117,322,336  (Within Confidence Interval Limits)
  State Upper Limit:                                      126,582,377  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       213,459,773  (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.