Google Data Science interview questions

The interviewer asked me questions on data intuition, statistics and coding skills, though I feel the data intuition part is really just statistics. It seems I finished answering the questions the interviewer had planned sooner than he expected, so he asked me another question, on which I got stuck.

Overall proces was ok. Did about 6 interviews and was treated nicely in most. One interviewer was a bit obnoxious, being really straight to the point without any introductory questions. That was really awful. Also, when I was rejected after a very lengthy process, I didn't get a single line of feedback. Even though I politely requested it 4 times with 2 week intervals, the HR person didn't even reply to my emails. Disgusting behavior.