This line graph shows the seal population at Rocky Point over $5$5 years.
What year had the lowest seal population?
2013
2014
2016
2015
One year, due to too much fishing in the local area, a shortage of fish caused the seal population to drop.
In which year had the seal population dropped?
2015
2015
2016
2017
What is the highest seal population over the five years?
Construct, interpret and compare a range of data displays, including side-by-side column graphs for two categorical variables