1. Which of the following errors might be attributable to treating right-censored data points in a survival analysis as if those individuals definitely survived to the end of the study?

a.You would tend to underestimate true average survival times

b.You would estimate negative survival times

c.You would tend to overestimate true average survival times

2. Which of the following problems would not be amenable to study with techniques from survival analyses?

a.Estimating the waiting time until a cancer-causing mutation

b.Estimating the error in a measure of relative risk

c.Estimating the survival time after a cancer diagnosis

3. In the graph below, which of the two curves (red or blue) represents a treatment for cancer that gives longer survival times than seen in the control group (e.g., the other curve)?

http://conantlab.org/teaching_examples/Epidemiology/expon_dist.png

a.Blue

b.Red