School and Appraisal Districts' Property Value Study 2003 Preliminary Report



Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     12:53                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        015-908-015 So San Antonio

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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        110,997,352     .8697     127,627,173       15
  2      A  - Single-family Residences        112,211,970     .9368     119,782,205        9
  3      A  - Single-family Residences        109,922,883     .9633     114,110,747       26
  4      A  - Single-family Residences        110,390,043     .9459     116,703,714       23
  5      F  - Commercial Real                  48,836,628     .7336      66,571,194       10
  6      F  - Commercial Real                  50,545,910     .9284      54,444,108        8
  7      F  - Commercial Real                  46,720,374     .9004      51,888,465        6
  8      L  - Commercial Personal              31,266,847    1.0143      30,826,035        7
  9      L  - Commercial Personal              32,621,744     .9545      34,176,788        6
 10      L  - Commercial Personal              30,849,956    1.0664      28,929,066        3

Random Totals:                                684,363,707               745,059,495      113
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                         228,308                   253,100
 Other Exception Values:                       86,755,670                83,212,708
Exception Totals(3):                           86,983,978                83,465,808
Test Values(4):                               771,347,685               828,525,303

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     41,426,265
Confidence Interval Values:
  Local Test Value:                                       771,347,685  (Outside of ConfidenceInterval Limits)
  State Lower Limit:                                      787,099,038  (State Test Value Minus Margin of Error Value)
  State Upper Limit:                                      869,951,568  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       781,911,746  (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.