The term "bias" has several meanings, depending on its context.
1) In statistics and data analysis, "bias" refers to an error in measurement or observation that systematically affects the results of a study or experiment. It occurs when there is a difference between the expected value and the actual observed value due to some form of deviation from the truth.
2) In psychology, "bias" can refer to prejudice or preference towards certain individuals or groups based on personal beliefs, experiences, or cultural background. This type of bias can influence judgment and decision-making in a way that favors one option over another.
3) In journalism and media, "bias" refers to the perspective or viewpoint from which news is reported or presented. It can be influenced by the reporter's personal beliefs, cultural background, or political affiliation, leading to a skewed representation of facts or events.