Eight people of various ages were polled and asked to estimate the number of cds they had bought in the previous year. The following table contains the collected data. The variable x represents the age. The variable y represents the number of cds. Age number of cds 18 12 20 17 24 10 25 6 28 4 30 4 32 2 34 3 using the data in the table, choose which set of axes and which set of ordered pairs should be used in making a scatter plot of the data.