School and Appraisal Districts' Property Value Study 2003 Final Report



Date:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     20:24                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        175-903-175 Corsicana

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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         89,192,148    1.0013      89,076,349       30
  2      A  - Single-family Residences         89,042,056     .9681      91,976,093       50
  3      A  - Single-family Residences         89,192,148     .9550      93,394,919       53
  4      A  - Single-family Residences         89,042,056     .9564      93,101,271       44
  5      D  - Rural Real                       75,424,320     .9619      78,411,810       28
  6      F  - Commercial Real                  29,160,556     .9488      30,734,144       19
  7      F  - Commercial Real                  29,209,524     .9131      31,989,403        7
  8      F  - Commercial Real                  29,895,079    1.0070      29,687,268        6
  9      F  - Commercial Real                  28,034,287     .9496      29,522,206        5
 10      L  - Commercial Personal              15,959,898     .8820      18,095,122        7
 11      L  - Commercial Personal              16,066,921    1.0188      15,770,437        7
 12      L  - Commercial Personal              15,939,831     .9934      16,045,733        6
 13      L  - Commercial Personal              15,578,626     .9759      15,963,343        4

Random Totals:                                611,737,450               633,768,098      266
 Cat J Exception Values:                       46,254,920                48,043,191
 Cat D1 Exception Values:                       9,890,780                 8,466,849
 Other Exception Values:                                0                         0
Exception Totals(3):                           56,145,700                56,510,040
Test Values(4):                               667,883,150               690,278,138

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     34,513,907
Confidence Interval Values:
  State Lower Limit:                                      655,764,231  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       667,883,150  (Within Confidence Interval Limits)
  State Upper Limit:                                      724,792,045  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                       889,627,467  (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.