This line graph shows the seal population at Rocky Point over $5$5 years.

a

What year had the lowest seal population?

2013

A

2014

B

2016

C

2015

D

b

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

A

2015

B

2016

C

2017

D

c

What is the highest seal population over the five years?

Easy

Approx a minute

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Construct, interpret and compare a range of data displays, including side-by-side column graphs for two categorical variables