PwC Data Scientist interview questions

technical interview: knowledge about ML, such as if overfitting, what's the way to mitigate? if data imbalance, what's the way to mitigate for that? Second Interview with a presentation. demo a case you are the most proud of. prepare a ppt slides before the interview. and demo this case to the interview for 30 mins. Third interview is with your manager. Behavior questions and some business senses questions.