The Following Time-Series Data Shows the Average Number of Vacation $$\begin{array} { l l } 2010 & 22 \\2011 & 25 \\2012 & 26 \\2013 & 29 \\2014 & 24 \\2015 & 21 \\2016 & 22 \\2017 & 20 \\2018 & 19\end{array}$$

Multiple Choice

The following time-series data shows the average number of vacation days taken each year by employees.
$$\begin{array} { l l } 2010 & 22 \\2011 & 25 \\2012 & 26 \\2013 & 29 \\2014 & 24 \\2015 & 21 \\2016 & 22 \\2017 & 20 \\2018 & 19\end{array}$$
The most effective visualization of these data would be:

A) a pie chart going chronologically clockwise.
B) a bar chart with most recent year to the left.
C) a line chart with most recent year to the right.
D) a bar chart with the highest average to the left
E) a line chart with the highest average to the right.