# 159 a) Determine the Y intercept of the least-squares regression line. (Specify

159 a) Determine the Y intercept of the least-squares regression line. (Specify your answer to 2nd decimal point)b) Determine the slope of the least-squares regression line. (Specify your answer to 3rd decimal point)c) estimate, for a year during which 500,000 boats are sold, the number of boat trailers that would be sold.