10) Using the energy production data given below: Year 1950 1960 1970 1980 1990 12000 Production (in Quads) 53.4 64.2 95.25 100.8 106.05 106.8 a. Plot the data using a graphing calculator and explain why it does not appear to be linear. b. Find the least squares regression line for the last four data points and comment on the goodness of fit. Interpret the slope of the line of best fit. c. Use the regression line to predict the annual US energy production in the year 2010. d. Use the regression line to predict when the annual US energy production will reach 150 Quads