You want to double check that you have identified the most appropriate model parentheses statistics parentheses. You know you need to consider 1. How many variables are to be analyzed 2. Whether descriptive or inferential questions will be answered, what is the third whestion you should be asking ?

a. what level of measurement is available in the variables?

b. what visual graphics will be used in the final presentation?

c. Who will be making the decisions?

d. What software is available?