46. Which of the following would give a biased sample?

A. Mary surveys 100 random students in her middle school cafeteria to determine the favorite sports of students at her school.

B. Marty surveys 100 people at the bus stop to find what mode of transportation people prefer.

C. Tanya surveys 100 people leaving the gym to see what piece of gym equipment is most used.

D. Bart, who works at a car lot, looks at 100 random receipts for cars sold over the past year to see which model of car sells most.

Question

46.   Which of the following would give a biased sample? 
        
    A. Mary surveys 100 random students in her middle school cafeteria to determine the favorite sports of students at her school.

B. Marty surveys 100 people at the bus stop to find what mode of transportation people prefer.

C. Tanya surveys 100 people leaving the gym to see what piece of gym equipment is most used.

D. Bart, who works at a car lot, looks at 100 random receipts for cars sold over the past year to see which model of car sells most.

anonymous · Answer

B would be the most correct as it is obvious that the most people at bus stop would be using the bus  as the mode of transport.