Why do you want to work for Tiffany?
Data Intern Interview Questions
7,489 data intern interview questions shared by candidates
What do you believe is your biggest flaw?
Rate your skills from 1-10 on these technologies (interviewer then dictates some technologies related to the job like python, sql, etc.)
How have you used technology skills to derive insights?
What is hyper parameter tuning? What are some hyper parameter algorithms? Describe linear regression to a 10 year old. What are some ways to deal with an unbalanced data set? What are some name of loss functions and what do they do? What is mean squared error? Describe how a convolution neural network differs from an artificial neural networks. What are some applications LSTMs? Lots and lots of questions about the data science case written earlier.
What are your hobbies? Can you talk about project XXX?
Explain Explain the difference between JOIN and UNION in SQL.
How do you tune a model, what architecture will you use for different kinds of data
5 mins to write 2 SQL queries. 5 mins to write 2 Python pandas dataframe questions.
What approaches can reduce overfitting?
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