Consider the following research questions/study scenarios. For each study, discuss the most appropriate methods for describing the data (graphically and numerically). What statistical method would be...

Consider the following research questions/study scenarios. For each study, discuss the most appropriate methods for describing the data (graphically and numerically).  What statistical method would be
most
appropriate for addressing the research questions?  Be sure to provide a justification of the statistical method.  What statistical test is needed, provide appropriate null and research hypotheses.

A comparison of smoking habits for menthol and nonmenthol smokers is conducted. The outcome of interest is the number of cigarettes smoked, and race was considered to be a potential confounder.