Question 1:
What nonparametric test can be used to determine whether a significant change in periodontal status has occurred over time? Explain in your own words what the answer means.
Question 2:
Implement the procedure and report a p-value. Explain in your own words what the answer means.
Question 3:
What nonparametric test can be used to determine whether a significant change in periodontal status has occurred over time? Explain in your own words what the answer means.
Question 4:
Is the distribution of stage at disease significantly different between Caucasians and African American women with breast cancer who are younger than 50 years of age? What were the null and alternative hypotheses? Explain in your own words what the answer means.
Question 5:
Is there any relationship between the types of treatment and the response? What are the null and alternative hypotheses? Explain in your own words what the answer means.
Question 6:
What is the reproducibility of adverse events and negligence designations (be sure to answer both)? Which seems to be more reproducible - adverse events or negligence designations? Explain in your own words what your answer means.
Question 7:
Is the association between OC use and bacteriuria, after controlling for age, significant? Explain in your own words what your answer means.
Question 8:
Estimate OR in favor of bacteriuria for OC users vs. non-OC users after controlling for age. Explain in your own words what your answer means.
Question 9:
Among those with no pre-existing fractures, does raloxifene affect the incidencen of new fractures? Explain in your own words what you answer means.
Question 10:
What are the relative risks and the associated 95% CI of relative risk of new fractures among those randomized to ralxifene vs. placebo? Explain in your own words what your answers mean.