A heavy metal band was playing in front of a live audience. To determine if there was a particular age group that listened to their music, every tenth audience member was anonymously asked their age as they left the concert. For this survey, which of the following statements best describes if the sample is biased and why. There was bias because only people at the concert were sampled, so the survey was based on a convenience sample. There was bias because only people at the concert were sampled, so the survey was based on a self-selected sample. There was bias because the survey was based on a systematic sample that does not represent the entire population. There was no bias because people were asked about their age. There was no bias because the survey was based on a systematic sample that represented the entire population. There was no bias because only people at the concert were sampled, so the survey was based on a convenience sample.
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The sample does indeed have bias because it only includes people who attended the concert. This means that it is limited to a specific group of heavy metal fans and doesn't accurately represent the entire population of potential listeners. If a particular age group resonates more with this genre, those who chose not to attend might differ significantly from those present, leading to skewed results. Additionally, relying solely on concert attendees doesn't capture the broader audience, such as those who enjoy the music but couldn't make the concert or prefer different venues. A more inclusive approach, sampling from a variety of settings, would yield a more representative understanding of the age demographics of heavy metal listeners.
