Is it normal that interns interview job applicants and schedule meetings?

I had a panel interview for a master thesis in a company once were I was asked questions by an HR intern and her boss and the hiring manager. The intern also scheduled the meeting etc. which I find very odd. Given that the atmosphere was quite weird im wondering if I was just a test object for the intern to practice asking dumb questions. Would a big international company really do that or is it rather unrealistic?

Is it normal that interns interview job applicants and schedule meetings?
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