A research firm conducts a study to explore the relationship between a driver’s age and the driver’s ability to read highway signs. Because the purpose of this study is to explore the effect of age on...A research firm conducts a study to explore the relationship between a driver’s age and the driver’s ability to read highway signs. Because the purpose of this study is to explore the effect of age on the driver’s ability to read highway signs, the response variable is the maximum distance at which the driver can read a highway sign, or maximum reading distance. The x-coordinate is the value of the explanatory variable for that individual.
