I. adjective
or biassed
: exhibiting or characterized by bias
a biased estimate of the book's worth
• biasedly adverb
II. adjective
1. : tending to yield or select one outcome more frequently or less frequently than others in a statistical experiment
a biased coin
a biased sample
2. : having an expected value different from the quantity or parameter estimated
a biased estimate
3. : not having minimum probability of rejecting the null hypothesis when it is true
a biased statistical test