Question

mobile ownership
two-way table setup
scenario:
suppose we have a dataset detailing the number of electric and gasoline cars sold in urban and rural areas.
car type/area urban rural total
electric ? ? ?
gasoline ? ? ?
total ? ? 400
assume the following data points:

• urban electric: 120 cars
• rural electric: 80 cars
• urban gasoline: 150 cars
• rural gasoline: 50 cars

what should be the total number of electric cars sold when combining both urban and rural sales?
180
200
300
270

Explanation:

Step1: Identify electric car sales

Urban electric: 120, Rural electric: 80.

Step2: Sum urban and rural electric

Total electric = 120 + 80 = 200.

Answer:

200