Final answer:
The type of bias that is most likely to have occurred in the poll is response bias. Response bias occurs when respondents inaccurately report their true opinions for various reasons.
Step-by-step explanation:
The type of bias that is most likely to have occurred in the poll is response bias. Response bias occurs when respondents inaccurately report their true opinions for various reasons. In this case, the discrepancy between the percentage of eligible voters who said they did not vote in the poll (35 percent) and the actual vote count (80 percent) suggests that some respondents may have provided inaccurate responses.