Do women wait longer than men to receive their orders at coffee shops? This question was studied by an economics major at Middlebury College. Which variable(s) in the data set are measured using a nominal scale? Age Group and Appearance Gender, Order, Age Group, and Appearance Gender and Order None of the variables Which variable(s) in the data set are measured using a ordinal scale? Gender and Order Gender, Order, Age Group, and Appearance None of the variables Age Group and Appearance Which variable(s) in the data set are measured using a ratio scale? None of the variables Wait Time Wait Time and Age Group Wait Time, Age Group, and Appearance