A survey asked buyers whether color, size, or brand influenced their choice of cell phone. The results are below. 218 said size. 226 said brand. 226 said color. 98 said size and brand. 111 said color and size. 139 said color and brand. 77 said all three. 57 said none of these How many buyers were influenced by color and size, but not brand? Incorrect How many buyers were not influenced by color? Incorrect How many buyers were surveyed?

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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.