View All num of num See all Photos Google www.google.com Engaged Employer Overview Reviews Salaries Interviews Jobs Photos Benefits 3.2k Reviews 11k Salaries 3.9k Interviews Follow Add Review or Salary Follow Add Review or Salary Interview Question Quantitative Analyst Interview Mountain View, CA Google The on-site interviews were not so easy. One thing to note : I have 20 years of experience and a strong track record of getting results. The interviewers had zero interest in what I've done before. Instead it was white boarding all the way. Felt more like an old-school math class -- go to the board and solve this problem -- than a job interview. Toughest question? Honestly, this was 4 years ago and I don't recall precisely. I think it was how to determine mean standard deviation of two blended datasets for which you know their means and standard deviations (and maybe Ns) but for which you've lost the original data. Turns out it's a classic you'll probably encounter in first year statistics, but I hadn't thought about it in about 25 years and so stumbled. Tags: See more , See less 8 Answer Add Tags Answer Interview Answer 1 Answer ▲ 0 ▼ Google it. Seriously, expect to write equations on the board. I'm not going to write those here, but you'll want to look up all this basic stuff if it's not something that will flow out your fingertips in the high pressure situation of a job interview. Interview Candidate on Sep 30, 2013 Interviews > Quantitative Analyst > Google Add Answers or Comments To comment on this, Sign In or Sign Up.