Question

A school principal is trying to collect data about how often students earn detention. To do so, she gives a 7-question survey during detention one afternoon. Which of the following is likely to cause bias in the data?

A.The survey is conducted in the afternoon
B.The survey is only conducted on one day
C.The survey is only given to scholars who earned detention
D.The survey did not have enough questions

Answer 1

B

Explanation:

I think B is right because it's only on one day so that one day could have way more kids than usual or way less.