http://i.imgur.com/DkYMylb.png, probably easier to understand than me trying to type it out.
so far I tried exapanding the (y_i - y(x_i))^2 and and then subbing in y_i = ax + b. This gives me part of the answer but I'm not sure if it's legal. I'm generally struggling to find a workable...
[Mentor's note: This thread does not use the standard homework template because it was moved here from one of the non-homework forums.]
Hi,
Looking for help on what to do next.
Question (it's in two parts but part 1 is like two lines):
Part 1: http://imgur.com/BwyNwsE [1]
Part 2...