Hypothesis Testing

Question

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).

1. A) 5% of those who take the drug actually get headaches.
2. B)more than 5% of those who take the drug actually get headaches.
3. C) all individuals who take the medication.
4. D) the proportion of those who take the drug who get a headache.

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

1. A) 5% of those who take the drug actually get headaches.
2. B) more than 5% of those who take the drug actually get headaches.
3. C) the proportion of those who take the drug who get a headache.
4. D) whether or not a person who takes the drug gets a headache.

Is it categorical orquantitative?

1. A) Categorical
2. B) Quantitative

Identify the parameter(s).

1. A)  whether or not a person who takes the drug gets a headache.
2. B) the proportion of those who take the drug who get a headache.
3. C) the mean of those who take the drug who get a headache.
4. D) all individuals who take the medication.

What is the claim?

1. A) a population proportion
2. B) comparing two population proportions
3. C) a population mean
4. D) comparing two population means

Which hypotheses do we want to test?

1. A) H₀: p = 0.05
2. H₁: p ≠ 0.05
3. B) H₀: p = 0.05

H₁: p < 0.05

1. C) H₀: p ≠ 0.05
2. H₁: p = 0.05
3. D) H₀: p = 0.05
4. H₁: p > 0.05

Answer 1

c) all the individuals who take the medication

c) the proportion of those who take the drug who get a headache

b) quantitative

b) the proportion of those who take the drug who get a headache

a) a population proportion

d) Ho: p = 0.05

Ha: P > 0.05