QUESLIVII O ( 1 PUIIL) A band was playing in front of a live audience. To determine if there was a particular age group that attended the concert, every fifth 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. O 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. O 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