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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     16:44                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        219-901-219 Happy

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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          1,549,575     .8988       1,724,049        7
  2      A  - Single-family Residences          1,521,119     .9788       1,554,065        7
  3      A  - Single-family Residences          1,557,336    1.0463       1,488,422        8
  4      A  - Single-family Residences          1,522,412    1.0394       1,464,703        7
  5      D  - Rural Real                       11,079,171     .8235      13,453,760       12

Random Totals:                                 17,229,613                19,684,999       41
 Cat J Exception Values:                        6,070,470                 5,937,897
 Cat D1 Exception Values:                      18,671,643                21,468,212
 Other Exception Values:                                0                         0
Exception Totals(3):                           24,742,113                27,406,109
Test Values(4):                                41,971,726                47,091,108

Margin of Error Percent:                                    5.8105237
Margin of Error Value:                                      2,736,240
Confidence Interval Values:
  Local Test Value:                                        41,971,726  (Outside of ConfidenceInterval Limits)
  State Lower Limit:                                       44,354,868  (State Test Value Minus Margin of Error Value)
  State Upper Limit:                                       49,827,348  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                        52,782,211  (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.