4. Indicate the most appropriate model for the following research questions and briey explain your reasons {5 points each}: a. b. Whether age and education aect people's decision to have COVID19 vaccine or not? Whether the major and age of one student would affect the disciplinary action he received (mitten warning, suspension of study for one semester, termination of study entirely) when there is a plagiarism? Whether the gender and the length in the congress would affect the number of proposals a congressman submitted? In all dictatorship in the human history after 1800, would having war make a dictatorship be more likely to collapse? How would age and gender a'ect one's personal income after being selected as legislative council member