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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:33:51                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              011/Bastrop                                               VRSN:      W
                                                        011-901/Bastrop ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              258,727,909        1.0540           245,472,399              27           10,607         .095733529
      2           A              258,752,997        0.9437           274,189,888              45            3,454         .035521994
      3           A              258,693,438        0.9737           265,680,844              46            2,124         .007094533
      4           A              258,565,812        0.9479           272,777,521              47            1,358         .006597667
      5           C               24,477,119        0.7101            34,469,961              14            4,900         .396857706
      6           C               22,392,860        1.0232            21,885,125              17            1,797         .052903142
      7           C               23,530,444        0.8631            27,262,709              20              930         .026665148
      8           C               23,304,248        0.9735            23,938,621              30              443         .018619819
      9           D3             267,176,407        0.9336           286,178,671              62          219,761         .102564485
     10           F1              43,277,033        0.8912            48,560,405               7              537         .010684839
     11           F1              43,370,595        0.9472            45,788,213               7              173         .031721113
     12           F1              44,180,211        0.9331            47,347,777               6               74         .007680737
     13           F1              42,101,263        0.9187            45,826,998               5               17         .012851379
  RANDOM TOTALS:               1,568,550,336                       1,639,379,132             333          246,175
  CATG D1 EXCEPTION VALUES:       12,315,861                          14,606,210
 TOTAL TEST VALUES (4):        1,580,866,197                       1,653,985,342
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           82,699,267
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          1,571,286,075 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           1,580,866,197 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,736,684,609 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,981,156,628 (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