If we graph data from two or more groups in a scatterplot, the relationship between the two quantitative variables can be hidden or unclear. We begin by making a scatterplot with data from the three t...If we graph data from two or more groups in a scatterplot, the relationship between the two quantitative variables can be hidden or unclear. We begin by making a scatterplot with data from the three types of hot dogs: beef, poultry, and meat (meat is a combination of pork, beef, and poultry). When we explore a relationship using the scatterplot, we should describe the overall pattern of the relationship and any deviations from that pattern.
