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DATE: 01/27/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:59:59                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              036/Chambers                                              VRSN:      W
                                                        101-911/Goose Creek CISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               47,103,343        0.9945            47,363,844              16              446         .004480619
      2           A               47,173,840        0.9966            47,334,778              18              366         .012478961
      3           A               47,158,419        1.0149            46,466,074              25              317         .010961348
      4           A               46,877,491        1.0124            46,303,330              15              233         .008892440
      5           D3              16,474,500        0.9191            17,924,600              20              273         .029954849
  RANDOM TOTALS:                 204,787,593                         205,392,626              94            1,635
  CATG J  EXCEPTION VALUES:       24,040,510                          23,776,480
  CATG D1 EXCEPTION VALUES:          724,440                             691,221
 TOTAL TEST VALUES (4):          229,552,543                         229,860,327
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           11,493,016
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            218,367,311 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             229,552,543 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            241,353,343 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           2,097,050,881 (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