Senior Scientist Interview Questions | Glassdoor

Senior Scientist Interview Questions

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Senior scientist interview questions shared by candidates

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How would you test if survey responses were filled at random by certain individuals, as opposed to truthful selections?

5 Answers

I would design the test in a way that certain information is asked two different ways. if two answers disagree with each other I would seriously doubt the validity of the answers.

This is a very basic psychometrics question. Calculate Cronbach's alpha for the survey items. If it is low (below .5), it is very likely that the questions were answered at random.

We need to find the histograms of the questions in the survey to see the distribution of each answer in each question. All question histograms will likely follow the normal distribution if they are truthful selection. If one response with more than of half of total answers being located outside of 95% confidential interval in each histogram, the response will be categorized as random fall out of mean plus tw

How would you build and test a metric to compare two user's ranked lists of movie/tv show preferences?

3 Answers

If you had 100 million dollars to do whatever with it you like, what would you do? Would you invest it? If so, what would be your first trade?

4 Answers

What if you find that the job is not as challenging as you want it to be.

3 Answers

SQL question that involved window functions

3 Answers

Technical case interview which is a mix of modelling skills + classical case interview structure

3 Answers

Imagine you have N pieces of rope in a bucket. You reach in and grab one end-piece, then reach in and grab another end-piece, and tie those two together. What is the expected value of the number of loops in the bucket?

4 Answers

How would you make a decision that affects others when that has to be made on a very short term?

3 Answers

If you can build a perfect (100% accuracy) classification model to predict some customer behavior, what will be the problem in application?

3 Answers

Then, he asked what if the cost of false positive is 0?

2 Answers
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