200 people from various demographics (geezer, boomer, zoomer) were asked if they felt hopeful or fearful after hearing the day’s news. Results: geezer boomer zoomer hopeful 18 40 17 fearful 42 55 28 What is the probability that a person surveyed is:  a) a boomer? ________ b) not a boomer? ________ c) fearful and a geezer ________ d) hopeful, given that the person is a zoomer? ________ e) a geezer, given that the person is fearful? _____

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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.