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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:36:34                                       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        0.9717            18,880,142              13              309         .011057891
      2           A               18,293,464        0.9066            20,178,098              14              210         .019153814
      3           A               18,407,938        0.9264            19,870,399              12              161         .013678047
      4           A               18,218,275        0.9712            18,758,520              13              101         .003976079
      5           D3              25,143,380        0.9295            27,050,436              20            1,019         .014800650
      6           G1               5,449,250        1.0140             5,374,014              11               21         .007150403
  RANDOM TOTALS:                 103,858,141                         110,111,609              83            1,821
  CATG J  EXCEPTION VALUES:        7,131,683                           7,375,372
  CATG D1 EXCEPTION VALUES:        3,692,630                           3,594,557
 TOTAL TEST VALUES (4):          114,682,454                         121,081,538
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:            6,054,077
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:             114,682,454 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:            115,027,461 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            127,135,615 (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