Obviously working in the media is a biasedsample, journalists are encouraged to tweet, post or forward funny and unusual material.
显然，在媒体工作是一个带有偏见的例子，记者被鼓励去特推，发布或转发有趣的和特殊的信息。
2
This is hardly definitive, given the small sample, but it does caution against jumping to the conclusion that economists are biased simply because of their relationships with firms.
由于样本数目小，只能当做参考，但还是比仅仅因为他们同公司间的关系就歧视他们要谨慎。
3
Assuming that the sample of Nova Scotia beer drinkers is not biased, can you now conclude that Keith's is the most popular brand?