That is likely to lead to a significant statistical bias.

但是这么做很可能会导致统计偏差太大。

youdao

Given data which are free from bias there are further snares to avoid in statistical work.

就算这些数据不带任何偏见，但是统计工作中还有许多需要避免的陷阱。

《柯林斯英汉双解大词典》

Studies that ask people to describe past behaviour are vulnerable to a well-known statistical phenomenon called recall bias.

这项研究还有一个缺陷，它只是让被调查者回忆她们在过去是否有服食维生素药物。 而让被调查者描述过去的行为，很容易使研究受到大家所熟知的统计现象“记忆偏差”的影响。

youdao

That is likely to lead to a significant statistical bias.

ECONOMIST: Political polls

They are irrelevant because they are all dwarfed by another bias (for which there is no life-saving cure available in any of the statistical packages): publication bias.

FORBES: Publication Bias (or, Why You Can't Trust Any of the Research You Read)

Advocacy groups offer studies, but as DAY TO DAY's Mike Pesca reports, whether these statistical reports on hate and bias are about anti-Semitic or anti-Muslim or anti-gay crimes, they often have one thing in common: dubious methodology.

NPR: Fudging the Numbers on Hate Crimes