survey of families living in a certain city was conducted to collect information on the following variables: age of the oldest person living in the family, number of family members, number of males in the family, number of females in the family, whether or not the they own a house, income of the family, whether or not the family took vacations during the past year, whether or not they are happy with their financial situation, and the amount of their montly mortgage or rent. Which of the variables are qualitative? Number of females in the family House owned or not Amount of monthly mortgage or rent Happy with financial situation or not I Number of males in the family Age of oldest person in the family Family income Vacation in the past year or not Which of the variables are quantitative? Amount of monthly mortgage or rent Happy with financial situation or not Number of males in the family Vacation in the past year or not Age of oldest person in the family Number of females in the family House owned or not Family income Which of the variables are continuous? Amount of monthly mortgage or rent Happy with financial situation or not Age of oldest person in the family House owned or not Family income Vacation in the past year or not Number of males in the family Number of females in the family Which of the variables are discrete? I Amount of monthly mortgage or rent Family income I Number of females in the family Happy with financial situation or not Number of males in the family House owned or not Vacation in the past year or not Age of oldest person in the family