Question

two types of medication for hives are being tested. The manufacturer claims that the new medication A is more effective than a standard medication B an under takes a comparison to determine if medication a produces relief for a higher proportion of adult patients within a 40 minute time window. In a random sample of 40 adults given medication A, 34 hours symptom-free after 40 minutes. In a random sample of 34 adults given medication B, 28 were symptom-free after 40 minutes. The hypothesis test is to be carried out at a 1% level of significance.

1. State the normal and alternative hypotheses in words and in statistical symbols.

2. what statistical test is appropriate to use? Explain the rationale for your answer.

3. with the test be right tail, left tailed or two tailed? Explain the rationale for your answer.

4. describe an outcome that would result in a type 2 error. Explain the rationale for your answer

5. describe an outcome that would result in a type one error. Explain the rationale for your answer.

Answer 1