Step-by-step explanation:
Regression Equation has the firm of,
Y = aX + b
please refer to my attachment for a and b.
So prepare table with columns of Y, X sq(x),......
then work out a and b according.
Finally sub a and b into the equation Y = aX + b

The 2nd choice is appropriate.
Answer:
You forgot to post your mistake.
Step-by-step explanation:
Answer: 4 units
Step-by-step explanation:
(5-1,3-3)=(4,0)==> 4 units