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.

1. Identify the population(s).

• more than 5% of those who take the drug actually get headaches.
• 5% of those who take the drug actually get headaches.
• the proportion of those who take the drug who get a headache.
• all individuals who take the medication.

3. What is the variable being examined for individuals in the population(s)?

• more than 5% of those who take the drug actually get headaches.
• 5% of those who take the drug actually get headaches.
• the proportion of those who take the drug who get a headache.
• whether or not a person who takes the drug gets a headache.

3. Is it categorical or quantitative?

• Quantitative
• Categorical

3. Identify the parameter(s).

• the mean of those who take the drug who get a headache.
• all individuals who take the medication.
• whether or not a person who takes the drug gets a headache.
• the proportion of those who take the drug who get a headache.

3. What is the claim?

• a population proportion
• a population mean
• comparing two population proportions
• comparing two population means

3. Which hypotheses do we want to test?

• H₀:p= 0.05
• H₁:p> 0.05
• H₀:p= 0.05
• H₁:p< 0.05
• H₀:p 0.05
• H₁:p= 0.05
• H₀:p= 0.05
• H₁:p 0.05