What is the question though?
C and D are likely correct.
High interest rates would likely dissuade people from using credit cards and would likely move them back to using their debit cards for purchases and to keep credit card purchases to ones that they knew they could pay back. You would end up getting people who were more desperate for the line of credit using it.
Answer:
E(Y | Xi) = f (Xi) is known as conditional expectation function(CEF) or population regression function (PRF) or population regression (PR) for short. In simple terms, it tells how the mean or average of response of Y varies with X
Explanation:
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Answer: Status
Explanation: This can be defined as the height of regards, honor and high regards given to a particular person, company, in a social group. it is mostly regarded as prestige, lifestyle, skills associated with a person in a social group. the way people see you, study you, regards accorded to you, deference, respect and honor given to you and even talk about you among a certain group or organisation is usually perceived as status.