(b) The table below shows the number of absences, x, in a Statistics course and the final exam grade, y, for 8 students. [2] 1 2 4 3 3 7 y 95 90 90 55 70 80 85 54 Necessary calculations: You may need to find the following quantities to answer the following questions: x , -, y?, y -, and =. (i) Draw a scatter diagram for the variables x and y and hence indicate what type of relationship exist between them.