Interpret the graph for us. What are we looking at? What type of data does each column, bar, or dot represent? What variables do each of the axes represent, and what are their units (e.g. cm, g)? How do values of y (the dependent variable) vary with values of x (the independent variable)? What trends are apparent in the graph? If you found data on population change over time, what model of population growth (e.g. linear, exponential) do you detect? Explain why you think this. For other data types, address how you would model these data and what other factors you may need.

700 Canada 600 Montana 500 400 Population Size 300 200 100 0 1996 2001 2005 2015 Census Year