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Applied Scientist Interview Questions
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Talk about a model you used in your project.
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Calculate the number of flights landing and taking off from an airport
Asumptions of linear regression
1. 30 minute behavioral, 30 minute technical. Behavioral interviewer was quite friendly, it was more like a conversation. Typical questions like What role do you play in a team etc. Technical interviewer was quite cold which was unexpected from Deloitte for me but maybe it's only normal by industry standards. Basic questions from data science, 2 SQL queries, 1 probability problem. 2. Take home 8 hour Case Study assessment (data science problem - visualization, modeling and estimation showcasing results) + Presentation 3. 30 minute Behavioral, 60 minute Technical (where you present your case study followed by QnA), 15 minute interview with Partner. The whole interview scheduling seemed very rushed, and I got my scheduled interview slots typically within 36 hours of the interview. Candidates also had to fill out forms and take the Pyrometrics assessment (which was interesting) in a day's notice which is fine, but I think they could give us more buffer time. It would be expected from an established firm as Deloitte. I got through the Take Home Assessment but cancelled my 3 remaining interviews when I got another offer, only because they repeated the whole "notify late" process. I think candidates also deserve more respect for their time.
Statistics, Retail, Data Science, Machine Learning
Implement K means coding algorithm
1. If the dataset is imbalanced, what metric should you use? 2. The predictive model gave x, y ,z churn rate predictions for customers. What would you do to convince the stakeholders that this is a good model?
Tell me about a time when you had a conflict and how did you resolve it? Tell me about one of your past projects/papers you are most excited about.
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