A drug company claims that an allergy medication causes headaches in 5% of those who take it. A medical researcher believes that more than 5% of those who take the drug actually get headaches. Identify the population(s). more than 5% of those who take the drug actually get headaches. all individuals who take the medication. 5% of those who take the drug actually get headaches. the proportion of those who take the drug who get a headache. What is the variable being examined for individuals in the population(s)? whether or not a person who takes the drug gets a headache. the proportion of those who take the drug who get a headache. 5% of those who take the drug actually get headaches. more than 5% of those who take the drug actually get headaches. Is it categorical or quantitative? Quantitative