1)  For each of the data sets below, indicate which type of graph you would choose to display the data and why you would choose that graph:

a.  Scores on an anxiety scale that range from “not anxious”, “somewhat anxious”, “moderately anxious” and “severely anxious”.

b.  Number of psychology majors versus other majors in your statistics course

c.  Mean speed (in seconds) to complete a set of puzzles – participants worked on either math puzzles or spatial navigation puzzles.

2)  For each data set in the question above, list the variables present in the description and indicate if each variable is categorical or continuous.