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):

• All individuals who take the medication.
• 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 an individual who takes the drug gets a headache.
• Whether or not an individual takes the correct dosage of the drug.
• Whether or not an individual who does not take the drug gets a headache.

Is it categorical or quantitative?

[Proportions are Categorical. Mean values are Quantitative.]

• Quantitative
• Categorical

Identify the parameter(s):

• The proportion of those who take the drug who get a headache.
• The number individuals who take the medication.
• The mean amount of medication taken.

What kind of hypotheisis test is this?

• 2 population means
• 1 population proportion
• 2 population proportions
• 1 population mean

Which hypotheses do we want to test?

• H₀: p = 0.05
  H_A: p < 0.05
• H₀: p ≠ 0.05
  H_A: p = 0.05
• H₀: p = 0.05
  H_A: p > 0.05
• H₀: p = 0.05
  H_A: p ≠ 0.05