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SQL
What are some of the key distinctions between a right join and an inner join?
Data Scientist
Amazon Web Services Data Scientist interview questions.
Our question bank has 10000+ interview questions and growing, 88 of which are for Amazon Web Services Data Scientist interviews.
All interview questions are submitted by recent Amazon Web Services Data Scientist candidates, labelled and categorized by Prepfully, and then published after being verified by Data Scientists at Amazon Web Services.
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ML Knowledge
How does k-means clustering work, and can it guarantee finding the global optimum? Create an implementation for k-means with an N*D input matrix.
Data Scientist
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Analytics Case
Can you give me an example of a successful prediction you've made for a user's lifetime value?
Data Scientist
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Coding
What's your method for unpacking a string with compounded parenthetical expressions like “2[a3[b]c]”?
Data Scientist
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Statistics
Based on what you know, do you think it's more likely or less likely that your friend's other child is also a boy?
Data Scientist
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Coding
How would you design an LRU cache to ensure that it efficiently stores and retrieves the most recently used items?
Data Scientist
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Statistics
How do you calculate the interquartile range from an unsorted array of decimal numbers?
Data Scientist
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ML CaseML Knowledge
Can you outline the stages of implementing a machine learning model into a production environment?
Data Scientist
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SQL
Can you differentiate between the use of window functions, aggregate functions, and joins in SQL?
Data Scientist
Understand end-to-end interview process. Reported by candidates. Reviewed by interviewers.
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ML CaseML System DesignProduct Case
Please describe your proposed approach to creating a system that detects anomalies in a user's server data and sends alerts to get the user's attention.
Data Scientist
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