School and Appraisal Districts' Property Value Study 2003 Preliminary Report



Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     14:20                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        095-905-095 Plainview

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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         85,643,555     .8927      95,937,667       57
  2      A  - Single-family Residences         85,643,555     .9362      91,479,978       67
  3      A  - Single-family Residences         85,679,615     .9272      92,406,832       46
  4      A  - Single-family Residences         85,607,495     .8982      95,310,059       27
  5      D  - Rural Real                       48,397,824     .8728      55,451,219       21
  6      F  - Commercial Real                  20,946,592     .7718      27,139,922        8
  7      F  - Commercial Real                  21,043,445     .9900      21,256,005        7
  8      F  - Commercial Real                  21,606,951     .6998      30,875,895        6
  9      F  - Commercial Real                  20,048,504     .9874      20,304,339        7
 10      L  - Commercial Personal              22,097,324    1.0313      21,426,669        8
 11      L  - Commercial Personal              22,515,834     .9860      22,835,531        5
 12      L  - Commercial Personal              22,478,633    1.0038      22,393,538        6
 13      L  - Commercial Personal              21,260,304     .9974      21,315,725        2

Random Totals:                                562,969,631               618,133,379      267
 Cat J Exception Values:                       32,514,604                32,197,371
 Cat D1 Exception Values:                      45,627,942                47,537,005
 Other Exception Values:                                0                         0
Exception Totals(3):                           78,142,546                79,734,376
Test Values(4):                               641,112,177               697,867,755

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     34,893,388
Confidence Interval Values:
  Local Test Value:                                       641,112,177  (Outside of ConfidenceInterval Limits)
  State Lower Limit:                                      662,974,367  (State Test Value Minus Margin of Error Value)
  State Upper Limit:                                      732,761,143  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       813,477,786  (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.