In a survey of 98 college students, the following information was obtained regarding their use of several social modia sites 12 use Sito A, Site B, and Site C 21 use Site B and Site C 29 use Site A and Site C. 37 use Site A but do not use Site B 78 use Site A or Site C. 9 use only Site C. 2 use none of these three sites How many students use Site A? How many do not use Site C?

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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.