determining if a sample is biased\nto choose a mascot for a new middle school, 8th - grade students were…

determining if a sample is biased\nto choose a mascot for a new middle school, 8th - grade students were polled, and their top choice was selected as the mascot. was the sample a biased sample?
Answer
Brief Explanations:
Only 8 - grade students were polled. Students from other grades in the middle - school were not included. Their opinions are not represented, so the sample does not represent the whole student body.
Answer:
Yes