1) a chemistry professor who teaches a large lecture class surveys each of his students who have a's. he then post those comments to a message board hoping to get more students interested. This survey

A: Social Acceptability Bias

B: Non Response Bias

C: Voluntary Response Bias

D: Self Interest Bias

2) Your stats teacher tells you your test score was the 3rd quartile for the class. Which is True?

A) you got a 75% on the test.

B) you got at least a 75% on your test.

C) 75% of the class scored below your score.

D) your test score was 75% higher than the class average.