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DATE: 01/30/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 08:09:47                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              020/Brazoria                                              VRSN:      W
                                                        020-904/Danbury ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               18,345,834        0.9101            20,158,042              13              309         .027360501
      2           A               18,293,464        0.8677            21,082,706              14              210         .019089332
      3           A               18,407,938        0.8947            20,574,425              13              161         .017036569
      4           A               18,218,275        0.9533            19,110,747              13              101         .005610255
      5           D3              25,143,380        0.8928            28,162,388              20            1,019         .019967345
      6           G1               5,449,250        1.0140             5,374,014              11               21         .007150403
  RANDOM TOTALS:                 103,858,141                         114,462,322              84            1,821
  CATG J  EXCEPTION VALUES:        7,131,683                           7,621,804
  CATG D1 EXCEPTION VALUES:        3,692,630                           3,594,557
 TOTAL TEST VALUES (4):          114,682,454                         125,678,683
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            6,283,934
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:             114,682,454 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:            119,394,749 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            131,962,617 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             119,637,644 (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