The formula for Sums of squares of the residuals (SSR) is attached below.
Therefore, option B is correct:
B. I would calculate the difference between the observed outcome (Y) and the predicted value of Y (Y_hat), square each one of these differences, and add them up.
See the attached picture:
Answer:
That makes 21
Whats your question?
What do you need help on?
I took algebra a while ago so I may be able to help you.
Explanation: