$\backslash$table$[[2005,48\mathrm{.}3],[2006,46\mathrm{.}8],[2007,42\mathrm{.}1],[2008,37\mathrm{.}8],[2009,34\mathrm{.}4],[2010,33\mathrm{.}6],[2011,37\mathrm{.}7],[2012,36\mathrm{.}8],[2013,20\mathrm{.}2]]$

Question $1$: $(5$ pts$)$

What patterns are visible in this dataset $($Note that years are typically not considered to be seasons when looking for seasonality$)?$

a$.$ Trend ONLY

b$.$ Trend and Random Variation

c$.$ Trend, Seasonality, and Random Variation

d$.$ Random Variation ONLY