At the end of a rock concert, representatives of the featured performer randomly selected 50 of the attendees and had them fill out a survey that asked them if they had a positive, negative, or neutral impression of the performer's latest song. The performer's representatives then tabulated the results and concluded that exactly 82% of those surveyed had a positive impression of the song, exactly 8% had a negative impression, and exactly 10% had a neutral impression. Which of these was most likely the purpose of the survey? A. To estimate the percentages of all rock music fans who have a positive, negative, and neutral impression of the song. B. To estimate the percentages of all the performer's fans who have a positive, negative, and neutral impression of the song. C. To determine the exact percentages of all rock music fans who have a positive, negative, and neutral impression of the song. D. To determine the exact percentages of all the performer's fans who have a positive, negative, and neutral impression of the song.

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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.