2.(2 marks) For each of the following scenarios, determine the type of bias that may be present (i.e. non-response bias or response bias). Justify your response.

a ) A recent General Social Survey asked subjects if they supported legalizing abortion in each of seven dierent circumstances. The percentage who supported legalization varied between 45% (if the woman wants it for any reason) and 92% (if the woman's health is seriously endangered by the pregnancy)

b) A recent Gallop poll asked American voters who they favoured; Trump or Biden, in the 2020 presidential elections. A study found that voters over the age of 55 were less likely to vote.