In: Statistics and Probability
Sales for the Forever Young Cosmetics Company (in $ millions) are as follows:
Year |
Sales ($ millions) |
Year |
Sales ($ Millions) |
Year |
Sales ($ Milions |
1996 |
2.4 |
2003 |
4.4 |
2010 |
4.5 |
1997 |
2.7 |
2004 |
4.8 |
2011 |
4.8 |
1998 |
3.3 |
2005 |
5.1 |
2012 |
5.1 |
1999 |
4.6 |
2006 |
5.3 |
2013 |
5.5 |
2000 |
3.2 |
2007 |
5.2 |
2014 |
5.7 |
2001 |
3.9 |
2008 |
4.6 |
||
2002 |
4 |
2009 |
4.5 |
(a) Develop a three-year moving average.
(b) Develop a four-year moving average.
(c) Develop a five-year moving average.
(d) Develop a seven-year rmoving average.
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Below given is the solution and the formula to be used in excel