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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:16:57                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              203/San Augustine                                         VRSN:      W
                                                        203-901/San Augustine ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                9,366,032        0.8730            10,728,559               7              663         .070408693
      2           A                9,316,771        0.8331            11,183,257               6              314         .112126828
      3           A                9,348,054        0.7866            11,884,127               8              201         .009623225
      4           A                9,293,492        0.9612             9,668,635               8              122         .006350012
      5           D3              30,890,420        1.1657            26,499,460              17            3,697         .033896848
      6           F1               3,438,111        0.9067             3,791,895               8              100         .167455112
      7           F1               3,470,804        0.9105             3,811,976               8               26         .082361381
      8           L1               2,204,389        0.9648             2,284,814              15               57         .022028566
      9           L1               2,162,226        1.0480             2,063,193               8               17         .050220313
     10           L1               2,574,288        0.9947             2,588,004               4                5         .001199027
  RANDOM TOTALS:                  82,064,587                          84,503,920              89            5,202
  CATG J  EXCEPTION VALUES:       10,930,181                          10,736,536
  CATG D1 EXCEPTION VALUES:       29,922,870                          28,327,398
  CATG F1 EXCEPTION VALUES:        6,531,310                           7,131,875
  CATG L1 EXCEPTION VALUES:        1,106,070                           1,143,939
 TOTAL TEST VALUES (4):          130,555,018                         131,843,668
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            6,592,183
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            125,251,485 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             130,555,018 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            138,435,851 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             123,828,280 (SEE ISD SUMMARY WORKSHEET)

 SOURCES:
 (1) SEE STRATIFIED CATEGORY WORKSHEET REPORTS PTS236, PTS430
 (2) NUMBER OF PARCELS SAMPLED BY STAFF
 (3) TOTAL CATEGORY PARCELS FROM STRATIFICATION REPORT APPRAISAL ROLL, OR SELF-REPORT
 (4) INCLUDES ANY PARCELS IN A, B, C, D3, F1, G1, G2,OR L1 MARKED AS EXCEPTION PROPERTIES
 (5) UNSTUDIED CATEGORIES AND SUB-CATEGORIES WERE NOT INCLUDED IN THE CONFIDENCE INTERVAL VALUES