Two-Way Tables: Transport and Commute Preferences

Questions

1. MultiChoice

   Out of 50 workers, 20 ride the bus. What is the marginal relative frequency of bus riders?

2. MultiChoice

   Subway riders: 18 urban residents, 32 suburban residents. What is the joint frequency of urban subway riders?

3. MultiChoice

   Subway riders: 18 urban residents, 32 suburban residents. What is the marginal total of subway riders?

4. MultiChoice

   Given 50 subway riders (18 urban, 32 suburban), what is the conditional relative frequency of urban riders?

5. MultiChoice

   Out of 100 students, 15 walk to school. What is the joint relative frequency of walking students?

6. MultiChoice

   Car poolers total = 40. If 15 are teachers, how many are students?

7. MultiChoice

   Of 40 car poolers (25 students, 15 teachers), what percentage are students?

8. MultiChoice

   80% of suburban commuters drive compared to 20% of urban commuters. Is there an association between location and driving?

9. MultiChoice

   Bicycle riders: 12 adults, 28 children. What is the joint frequency of adult bicycle riders?

10. MultiChoice

    Among 40 bicycle riders (12 adults, 28 children), what is the conditional relative frequency of children?

11. MultiChoice

    If 60 people commute by train and 40 commute by bus, what is the grand total of commuters?

12. MultiChoice

    Out of 100 commuters, 60 commute by train. What is the marginal relative frequency of train commuters?