Asked by PicturesDon'tChangeThePeopleInsideOfThemDo

So I already made a scatter plot for this data and talked about trends and negative or positive correlations but I have no clue what this question is asking

This is about average gas prices from 2005-2015

2005 - $2.27
2006 - $2.57
2007 - $2.80
2008 - $3.25
2009 - $2.35
2010 - $2.78
2011 - $3.52
2012 - $3.62
2013 - $3.51
2014 - $3.36
2015 - $2.43

c. What equation models the data? What are the domain and range of
the equation? Do you think your equation is a good fit for the data?
Explain how you determined your answers.

Can someone please explain to me how I should do this and what it means?
Answered by Steve
read about linear regression -- coming up with a straight line that "best" fits the data, in some fashion.
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