Question

Find the line of best fit for the relationship between calories and fat.

Answer 1

Answer: Choice A

y=0.0714x-9.2682

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Explanation:

I used GeoGebra (free graphing software) to find the line of best fit, aka the regression line. You can do so by hand, but I think it's tedious busywork and prefer to use technology whenever possible. Other graphing and spreadsheet programs are able to compute the regression line as well.

Check out the diagram below.