Levels of measurement

Which level of measurement is represented by the following question in a survey? "What is your native language?"

Which level of measurement is represented by the following question in a survey? "On a scale of 1 to 5, rate your English proficiency."

Which level of measurement is represented by the following question in a survey? "Rank the following English skills in order of importance: Speaking, Listening, Reading, Writing."

Which level of measurement is represented by the following question in a survey? Please indicate your level of agreement with the following statement: "I am satisfied with the quality of customer service received."

Which level of measurement is represented by the following question in a survey? "How many hours per week do you study English?"

Which level of measurement is represented by the following question in a survey? "Which country are you from?"

Which level of measurement is represented by the following question in a survey? "Choose your preferred learning style: Visual, Auditory, Kinesthetic."

Which level of measurement is represented by the following question in a survey? "How many English language courses have you taken in the past year?"

Which level of measurement is represented by the following question in a survey? "Rate your satisfaction with the English language curriculum on a scale of 1 to 10."

Which level of measurement is represented by the following question in a survey? How many hours did you study for the exam?