Dana is using compare and contrast in chart form to tell a story about the differences in customer returns in the appliance and lawn mower divisions. How does methodology come into play?

Question $9$Answer

a$.$

The methodologies in gathering both sets of data must be comparable.

b$.$

The way Dana analyzes the data must have the same comparison methodology.

c$.$

Both sets of data must be compiled from the same source at the same time.