Consider the following data set. This data set was generated by asking some questions to math 109 students on the first day of class in the spring 2018 at FSU. Now pay attention to the question 16 in the above survey (about a student's confidence ).The responses generated by this question can be classified as

• A. (qualitative variable,ordinal scale)
• B. (discrete variable,interval scale)
• C. (qualitative variable,nominal scale)
• D. (continuous variable,interval scale)
• E. (continuous variable,ratio scale)
• F. (discrete variable,ratio scale)