The city council of a small town needs to determine if the town's residents will support the building of a new library. The council decides to conduct a survey of a sample of the town's residents. Which one of the following procedures would be most appropriate for obtaining a sample of the town's residents? A) Survey a random sample of librarians who live in the town. B) Survey every 10th person who enters the old library on a given day. C) Survey 400 individuals who are randomly selected from a list of all people living in the state in which the town is located. D) Survey a random sample of persons within each neighborhood of the town.

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.