For the plot below, estimate the best parameters (both a Slope and a R). Note: picking more than 1 possible slope and 1 possible R will result in a mark of 0.a.R = 1b.R = -1c.slope = -1d.slope = 0.8e.R = 0.4f.slope =1g.slope = 0.4h.slope = -0.8i.R = 0.8j.R = -0.8

5 4 3 2 -1 O 1 2 3 4 5 -1