The government of a large city needs to determine whether the​ city's residents will support the removal of the city's university. The government decides to conduct a survey of a sample of the​ city's residents. Which one of the following procedures would be the most appropriate for obtaining a sample of the​ city's residents?   Select the answer : ______ Survey a random sample of the students and employees of the university.   _____Survey every fifth person to enter the local church on Sunday.   ______Survey the last 100 residents listed in the telephone directory.   ______Survey a random sample of persons within each geographical region of the city.

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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.