This makes linear regression unreasonable because the correlation coefficient shows how related the data points are, -1 and 1 being very strong and 0 being uncorrelated. So the line of best fit would not make sense because the data points are random in relation to one another.
Divide $149.87 by 3 which = $49.95 From September 1 to December 1 is three months apart so meaning the price dropped $49.95 for the months of Oct to Dec.
