teens, Social Media & technology overview 2015” (Pew research center, April 9, 2015) summarized data from a large survey of teens age 13–17. Of those surveyed, 71% use Facebook and 52% use Instagram. Use these percentages to explain why the two events cannot be mutually exclusive events. F=event that a randomly selected s

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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.