Construct and Interpret Two-Way Tables Practice Test

A neighborhood survey asked 100 families what type of home they live in and whether they have a pet.

• Apartment: 15 have pets, 35 do not
• House: 40 have pets, 10 do not

Which statement best describes the association (if any) between housing type and pet ownership?

A school counselor surveyed 50 students about whether they have a curfew and whether they have regular chores at home. Results:

• Curfew: Yes (30 students): 20 with chores, 10 without chores
• Curfew: No (20 students): 5 with chores, 15 without chores

Based on row relative frequencies, do curfew and chores appear to be associated?