Instruction 14-9
the Number of Cases of Merlot Wine Sold

question 16

Essay

Instruction 14-9
The number of cases of merlot wine sold by a Barossa Valley Winery in an 8-year period follows.
$$\begin{array} { c c } \text { Year } & \text { Cases of Wine } \\2003 & 270 \\2004 & 356 \\2005 & 398 \\2006 & 456 \\2007 & 358 \\2008 & 500 \\2009 & 410 \\2010 & 376\end{array}$$
-Referring to Instruction 14-9,construct a centred 5-year moving average for the wine sales.

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