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The difference between the gas prices in 2013 and 2001 is 3.00
<h3>Graphing tool</h3>See attachment for the graph of the line of best fit
<h3>The equation</h3>Start by calculating the slope of the line of best fit using:
From the line of best fit, we have:
The regression equation is then represented as:
So, we have:
So, the linear regression equation is:
In 2001, the value of x is 1.
So, we have:
In 2013, the value of x is 13.
So, we have:
So, the difference (d) between the prices is:
Hence, the difference between the gas prices in 2013 and 2001 is 3.00
Read more about linear regression at:
