Instruction 14-3
the Number of Cases of Merlot Wine Sold

question 66

Short Answer

Instruction 14-3
The number of cases of merlot wine sold by a Barossa Valley Winery in an eight-year period follows.
$\begin{array}{ll}\text { Year } &\text { Coses of }\\& \text { Wine } \\2003 & 270 \\2004 & 356 \\2005 & 398 \\2006 & 456 \\2007 & 358 \\2008 & 500 \\2009 & 410 \\2010 & 376\end{array}$


-Referring to Instruction 14-3,a centred five-year moving average is to be constructed for the wine sales.The moving average for 2005 is _______.

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Definitions:

Likert Scale

A psychometric scale commonly used in questionnaires to obtain the preferences or degrees of agreement of respondents to a statement.

Dichotomous

Referring to a division or contrast between two completely opposite groups or things.

Independent Variable

In scientific experimentation, it is the variable that is manipulated or changed to test its effects on the dependent variable.

Dependent Variable

In an experiment or study, the variable that is tested and measured to see if it is affected by changes in another variable (the independent variable).