School and Appraisal Districts' Property Value Study 2003 Preliminary Report



Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     13:55                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        071-909-071 Socorro

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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        538,925,574     .9542     564,793,098       22
  2      A  - Single-family Residences        538,925,574     .9749     552,800,876       17
  3      A  - Single-family Residences        538,925,574     .9277     580,926,565       29
  4      A  - Single-family Residences        538,925,574     .9510     566,693,558       37
  5      F  - Commercial Real                 117,639,244     .9459     124,367,527        8
  6      F  - Commercial Real                 118,678,548     .9581     123,868,644        9
  7      F  - Commercial Real                 120,658,173     .9698     124,415,522        8
  8      F  - Commercial Real                 113,086,106     .9737     116,140,604        5
  9      L  - Commercial Personal              85,177,876    1.0797      78,890,318       10
 10      L  - Commercial Personal              87,749,284     .9543      91,951,466       10
 11      L  - Commercial Personal             166,320,071     .9966     166,887,488        4

Random Totals:                              2,965,011,598             3,091,735,666      159
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                       3,012,310                 3,498,447
 Other Exception Values:                                0                         0
Exception Totals(3):                            3,012,310                 3,498,447
Test Values(4):                             2,968,023,908             3,095,234,113

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                    154,761,706
Confidence Interval Values:
  State Lower Limit:                                    2,940,472,407  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                     2,968,023,908  (Within Confidence Interval Limits)
  State Upper Limit:                                    3,249,995,819  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                     3,173,567,461  (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.