services Year Billions of Dollars 1960 4.161 1965 5.941 1970 13.335 1975 30.247 1980 48.506 1985 64.651 1990 90.7 1995 129.75 2000 142.631 2005 189.985 2010 262.258 2015 274.928 2018 278.915 2019 289.589 2020 612.259 2021 977.791 a. Create a scatter diagram from 1960 to 2015 which shows the trend line (this is the regression line) and provide the coefficient of determination. b. What is the equation of the trend line from the graph? c. What is r here? What is r2 here