IBM Data Science interview questions

I had 2 rounds of interview. First was an initial phone screen which was mostly about my background. Second round was technical interview on Skype. I was tested mostly on basics of statistics and project work. Different types of ML models that I have used and the inferences derived from them.

I had two 20-min interviews about my resume, the projects that I did, and some general questions. Then there was the next stage where I solved the challenge (you are given ~5 hours to do it). Last stage was to come to the office for three interviews, one of them was presentation of results of the challenge to the panel of 3 people.