11) What is the type of these variables? (Hint: nominal scale, ordinal scale, interval scale, ratio scale)

\begin{tabular}{|l|l|l|} \hline Features & Value set & Unit \\ \hline Gender & Male, Female & \\ \hline Annual gross household income & Continuous value & Dollars \\ \hline Number of cars in household & 0,1,2, more than 2 & cars \\ \hline Number of other driver licences in household & Continuous value & \\ \hline Currently hold a driver licence & Yes, No & \\ \hline Household type & Couple family with no children, Couple family with children, One parent family, Single person household, Group household, Other family & \\ \hline Work status & Employed full time, Employed part time, Household duties, Retired, Student, Unemployed & \\ \hline \end{tabular}