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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
                                                        101-910-101 Galena Park

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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        339,297,786     .9480     357,909,057       47
  2      A  - Single-family Residences        339,155,284     .9688     350,077,709       50
  3      A  - Single-family Residences        337,017,750     .9947     338,813,461       50
  4      A  - Single-family Residences        338,157,768    1.0192     331,787,449       50
  5      B  - Multi-family Residences          37,538,008     .9457      39,693,357        7
  6      B  - Multi-family Residences          34,371,617     .9859      34,863,188        4
  7      B  - Multi-family Residences          33,750,176     .9456      35,691,810        4
  8      B  - Multi-family Residences          34,845,096     .9606      36,274,304        3
  9      F  - Commercial Real                  67,677,645     .9003      75,172,326        7
 10      F  - Commercial Real                  69,147,669     .9416      73,436,352        7
 11      F  - Commercial Real                  72,568,302     .9956      72,889,014        6
 12      F  - Commercial Real                  59,168,467    1.0524      56,222,413        4
 13      L  - Commercial Personal              58,913,156     .9919      59,394,249        7
 14      L  - Commercial Personal              60,150,828     .9572      62,840,397        7
 15      L  - Commercial Personal             116,068,819     .8968     129,425,534        7

Random Totals:                              1,997,828,371             2,054,490,620      260
 Cat J Exception Values:                                0                         0
 Cat D1 Exception Values:                         891,060                   890,314
 Other Exception Values:                                0                         0
Exception Totals(3):                              891,060                   890,314
Test Values(4):                             1,998,719,431             2,055,380,934

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                    102,769,047
Confidence Interval Values:
  State Lower Limit:                                    1,952,611,887  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                     1,998,719,431  (Within Confidence Interval Limits)
  State Upper Limit:                                    2,158,149,981  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                     3,625,441,104  (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.