Can someone answer these two questions asap please- it's two variable statistics data management course- grade 12

Formulas n Exy-(x)(Zy) r = VIn Ex-(Ex)?][nZyz-(Ly)=] y = ax + b . q = "(xy)-(x)Cy) n(Ex?)-(2x) , b = y - ax Show all of your work. 1. The following set of data is given. Use the formulas and show full solutions. X y 8.2 1.3 9.1 1.5 10.3 1.7 11.7 1.2 8.9 a) Create a scatterplot and classify the linear correlation. [4] b) Determine the correlation coefficient. What does this number say about the data? [6] c) Determine the equation of the line of best fit. [6] 2. People who live in countries with a greater number of cars per capita have a higher life expectancy. Does this mean that having more cars will help you live longer? Explain how this may be an example of a common cause relationship. (3]