A sportswriter wants to know how strongly Lafayette residents support the local minor league baseball team, the Lafayette Leopards. She stands outside the stadium before a game and interviews the first 20 people who enter the stadium.
The newspaper asks you to comment on their survey of local opinion. You say:
a.The is a simple random sample. The results are not biased, but the sample is too small to have high precision.
b.The sampling method is biased. It will almost certainly overestimate the level of support among all Lafayette residents.
c.This is a census, because all fans had a chance to be asked. It gives very accurate results.
d.This is a random sample. It gives very accurate results.
e.The sampling method is biased. It will almost certainly underestimate the level of support among all Lafayette residents.