Star schema for a uploaded data sheet

Hi All gurus,
I am new to this tech . I have a requirement like this , I have to prepare the star schema for this data sheet as below .
REPORT_DATE     PREPARED_BY     Units On-time     Units Late     Non-Critical On-time     Non-Critical Lates      Non-Critical DK On-time     Non-Critical DK Lates
2011 -01     Team1     1
2011-02     Team1
2011-03     Team1
2011 -01     Team2
2011-02     Team2                         7     1
2011-03     Team2                              4 5
2011 -01     Team3
2011-02     Team3
2011-03     Team3     1                         3
(Take blank fields as zeros)
Note : There are 3 report date types 2011-01,02,03 and three teams team 1,2,3 as text data and all others columns contain number data .
I am given Time as dimensional table containing the Report Date and Whole sheet as Data table . So how to define the relationship for this in Physical and BMM ?
I am thinking to make Time as Dimensional Table and the whole table(as Data) as a fact table in the Physical layer . And then in the BMM , I want to carve out a Logical Dimension called Group from the Data Physical Table and then make Group and Time as dimensional Table and Data as Fact table .
Is this approach is correct ? please suggest me and if have any better Idea ,then please note down what are the tables to be taken as Dimension and Fact table in both physical and BMM . Your help willl be appreciated ,so thanks in advance . You can also advice for any change in no of Physical tables in the Physical schema design ..

Your' s suggestion utterly anticipated ..

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>
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https://social.technet.microsoft.com/Forums/sqlserver/en-US/7bf4ca30-a1bc-415d-97e6-ce0ac3137b53/normalized-3nf-vs-denormalizedstar-schema-data-warehouse-?forum=sqldatawarehousing
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