Question: Year 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Production 129000 84000 49000 101000 147000 124000 81000 37000
Year
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
Production
129000
84000
49000
101000
147000
124000
81000
37000
25000
119000
48000
41000
120000
44000
110000
I.Calculate three years and four years moving average centered for the given time series.
II.Plot observed data 3 years moving averages and four years moving average centered.
III.Make comments about the graph of trend values.
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