Teen smoking 2009. The Centers for Disease Controland Prevention say that about 19.5% of teenagers smoketobacco (down from a high of 38% in 1997). A collegehas 522 students in its freshman class. Is it likely thatmore than 25% of them are smokers? Explain.

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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.