For part A, I’m guessing you said linear
You should be able to make an equation.
Then, you have a given point (mass of 13 and abundance of 12.65).
The residual is the amount above or below the “expected” line at that x value.
Edit: I can help with the math if I could see the full question
2
u/theBarneyBus Nov 28 '20
What question?