to-gather-opinions-on-campus-dining-a-student-stands-outside-the-cafeteria-at-lu

Question

To gather opinions on campus dining, a student stands outside the cafeteria at lunchtime and interviews $40$ students who are leaving. What sampling technique is used, and what are the potential sources of bias?

Accepted Answer

Convenience sampling; non-representative sample bias

Answer

Stratified sampling; no bias

Answer

Cluster sampling; selection bias

Answer

Simple random sampling; interviewer bias

To gather opinions on campus dining, a student stands outside the cafeteria at lunchtime and interviews 4040 students who are leaving. What sampling technique is used, and what are the potential sources of bias?

To gather opinions on campus dining, a student stands outside the cafeteria at lunchtime and interviews $40$ students who are leaving. What sampling technique is used, and what are the potential sources of bias?