Besides phone numbers, what are the other categorical variables in your survey? (The survey asks for family size, the kind of pets they have, the grade of the youngest child in the family, the family's annual income in dollars, what the dad does for a living, whether the mom works, and their phone number.) Everything but family size Family size, dad's occupation, whether mom works, and kind of pets Grade of youngest child, dad's occupation, whether mom works, and kind of pets Dad's occupation, whether mom works, and kind of pets Everything but annual income