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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:09:34                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              084/Galveston                                             VRSN:      W
                                                        084-904/LaMarque ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              196,326,024        0.9371           209,503,814              37            3,534         .006766330
      2           A              196,322,754        0.9575           205,036,819              58            2,229         .006743246
      3           A              196,169,505        0.9745           201,302,724              62            1,491         .035237193
      4           A              196,147,689        0.9773           200,703,662              58              759         .018448596
      5           B               13,905,447        1.0651            13,055,532               6               53         .008281820
      6           B               16,003,773        0.9358            17,101,702               3                5         .001584646
      7           B               23,274,349        0.9473            24,569,143               2                4         .000740701
      8           F1              31,349,798        0.9341            33,561,501               8              271         .009547997
      9           F1              31,391,133        0.9090            34,533,700               7               71         .003094389
     10           F1              32,413,103        0.9440            34,335,914               5               21         .001556853
     11           L1              19,592,003        0.8517            23,003,408               7              308         .038203918
     12           L1              19,875,889        1.0687            18,598,193               7               66         .026183909
     13           L1              19,061,220        1.0161            18,759,197               5               11         .010299346
     14           L1              19,182,420        0.9650            19,878,155               2                3         .002255374
  RANDOM TOTALS:               1,011,015,107                       1,053,943,464             267            8,826
  CATG D1 EXCEPTION VALUES:           73,790                              55,603
  CATG F1 EXCEPTION VALUES:       43,145,590                          46,577,972
 TOTAL TEST VALUES (4):        1,054,234,487                       1,100,577,039
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           55,028,852
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          1,045,548,187 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           1,054,234,487 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,155,605,891 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           1,285,471,172 (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