Determine the level of measurement (nominal, ordinal) in the following problems.
a) How much a person likes a pair of shoes (from not at all to a lot).
b) Gaming app installed on phone (Yes, No) by citizens who are 50 years old or older.
c) Customer’s ranking of a service provided by an eye institute as either excellent, good, satisfactory, or poor.
d) Marital status of guests completing a survey from a resort.