A Gallup pool indicated that 29% of Americans spent more money in recent months than they used to. But the majority (58%) still said they enjoy saving money more than spending it. The results are based on telephone interviews conducted in April with a random sample of 1,016 adults, aged 18 and older, living in tall 50 US states and the District of Columbia.  A) Describe the population of interest and b) describe the sample that was collected.

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A:

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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.