I applied online, after a week a recruiter contact me for a phone interview. The recruiter asked me a lot of questions on my resume and past experiences. Then she asked me 5 questions of probability, contingency tables, statistical inference, and basic R programming questions. It is a little bit unprofessional for the recruiter to ask me those questions. I answered all the questions with correct answers, and the recruiter told me to wait for 2 weeks for the next step. After two weeks, I did not hear back from them anymore.