You are given the task of carrying out a competition analysis for baby food. You ask 120 parents to rate on a scale from one to five how natural they find products from two manufacturers, hupp and Malipa.

(a) Which statistical tests can be used?

(b) As part of your task, you must determine whether a product should be called Baby Carotte or Baby Carrot. You turn to the same 120 parents. You ask 60 to rate Baby Carotte using a 5-point scale. The other 60 must rate Baby Carrot using an analogue scale. Which statistical test would you use?