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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:52:41                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              011/Bastrop                                               VRSN:      W
                                                        011-902/Elgin ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               84,671,780        0.9744            86,896,326               17            1,320
           2           A               84,630,650        0.9725            87,023,805               19              780
           3           A               84,775,022        1.0195            83,153,528               19              593
           4           A               84,517,350        1.0370            81,501,784               18              391
           5           D3             127,235,229        0.9737           130,671,900               23            3,832
           6           F1              11,702,842        0.9355            12,509,719                7              113
           7           F1              11,814,221        0.9591            12,318,028                6               42
           8           F1              13,235,516        1.0257            12,903,886                5               15
           9           F1               9,709,073        0.8907            10,900,497                2                3
  RANDOM TOTALS:                      512,291,683                         517,879,473              116            7,089
  CATG D1 EXCEPTION VALUES:             8,267,992                           7,591,184
 TOTAL TEST VALUES (4):               520,559,675                         525,470,657
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                26,273,533
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 499,197,124 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  520,559,675 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 551,744,190 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  611,977,468 (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