1. A pharmaceutical company is conducting a randomized drug trial on a group of patients and hypothesizes that the drug treatment would affect the survivorship. Participants are randomized into two groups: treated or not treated. After 1 year of follow-up, the number of participants who are alive or dead will be recorded respectively.

1.What are the variable(s) in the study? (include units)

2.What is the level of measurement of the variable(s)? (Nominal, Ordinal, Continuous)

3.If there are groups are they related in any way?

4.What statistical test is most appropriate to use in analyzing the data given the information provided.