School and Appraisal Districts' Property Value Study 2003 Preliminary Report



Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     14:31                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        101-905-101 Channelview

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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        134,075,578     .9445     141,954,026       35
  2      A  - Single-family Residences        132,898,985     .9785     135,819,096       39
  3      A  - Single-family Residences        132,506,788     .9890     133,980,574       47
  4      A  - Single-family Residences        132,842,957    1.0246     129,653,481       42
  5      F  - Commercial Real                  22,830,177     .9574      23,846,017        7
  6      F  - Commercial Real                  22,973,283     .9689      23,710,685        7
  7      F  - Commercial Real                  23,249,955     .9742      23,865,690        6
  8      F  - Commercial Real                  21,570,844    1.0014      21,540,687        5
  9      L  - Commercial Personal              47,812,181     .9494      50,360,418       13
 10      L  - Commercial Personal              71,351,264     .8878      80,368,624        4

Random Totals:                                742,112,012               765,099,298      205
 Cat J Exception Values:                       31,028,592                31,872,152
 Cat D1 Exception Values:                         126,040                   101,881
 Other Exception Values:                       36,201,747                36,420,196
Exception Totals(3):                           67,356,379                68,394,229
Test Values(4):                               809,468,391               833,493,527

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     41,674,676
Confidence Interval Values:
  State Lower Limit:                                      791,818,851  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       809,468,391  (Within Confidence Interval Limits)
  State Upper Limit:                                      875,168,203  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                     1,656,156,251  (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.