Interview Questions

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Asked at Goldman Sachs • 2 years ago
What is the limit of the ratio of two consecutive Fibonacci numbers as the sequence progresses?
Data Scientist
Concept
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Data Scientist
Concept
Sort an integer array and calculate its Big O.
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Check if a subarray with a sum of zero exists.
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How can you verify that assignment to A/B testing groups was truly random?
Statistics & Experimentation
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Statistics & Experimentation
Why might an unbiased estimator not always be preferred over a biased one?
Statistics & Experimentation
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Statistics & Experimentation

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How would you measure correlation in the presence of outliers?
Statistics & Experimentation
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Statistics & Experimentation
Describe hypothesis testing and p-values in layman’s terms.
Statistics & Experimentation
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Statistics & Experimentation
Explain the statistical background behind power.
Statistics & Experimentation
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Statistics & Experimentation
How would you explain the importance of sampling distribution in inferential statistics?
Statistics & Experimentation
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Statistics & Experimentation
Compare covariance and correlation.
Statistics & Experimentation
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Statistics & Experimentation
Why might you use volatile instead of synchronized?
Concept
Technical
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Concept
Technical
Asked at Amazon • a month ago
Tell me about a time you noticed a product gap that could apply beyond one customer or one incident.
Product Manager
Behavioral
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Product Manager
Behavioral
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Asked at Meta • 2 months ago
Given a list of strings, find the number of occurrences of the second letter of the first word, and return the character and its count.
Data Engineer
Data Structures & Algorithms
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Data Engineer
Data Structures & Algorithms
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Asked at Apple • 6 months ago
Tell me about a time you built a product involving AI inference.
Product Manager
Artificial Intelligence
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Product Manager
Artificial Intelligence
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Asked at Google • 6 months ago
Google Meet used to be available only to G Suite users and now it's widely available to everybody. How would you define success and what metrics would you use?
Data Scientist
Analytical
+1 more
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Data Scientist
Analytical
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Asked at Meta • 5 months ago
Design a recommendation system for locations in a feed for a user who arrives in a new city and wants recommendations for places to visit.
Machine Learning Engineer
Machine Learning
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Machine Learning Engineer
Machine Learning
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Asked at Meta • 5 months ago
Traverse a matrix or grid to find the shortest path between point A and point B.
Machine Learning Engineer
Data Structures & Algorithms
+1 more
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Machine Learning Engineer
Data Structures & Algorithms
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Asked at Meta • 5 months ago
How do you push development when you do not have the explicit support of the rest of the team?
Machine Learning Engineer
Behavioral
+1 more
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Machine Learning Engineer
Behavioral
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Asked at Meta • 5 months ago
Tell me about a time you worked independently.
Machine Learning Engineer
Behavioral
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Machine Learning Engineer
Behavioral
Asked at Coinbase • 5 months ago
We've noticed a drop off in card usage. Evaluate why this might be happening and propose solutions to address it.
Product Manager
Analytical
+1 more
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Product Manager
Analytical
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Interview Questions

What is the limit of the ratio of two consecutive Fibonacci numbers as the sequence progresses?

Sort an integer array and calculate its Big O.

Check if a subarray with a sum of zero exists.

How can you verify that assignment to A/B testing groups was truly random?

Why might an unbiased estimator not always be preferred over a biased one?

How would you measure correlation in the presence of outliers?

Describe hypothesis testing and p-values in layman’s terms.

Explain the statistical background behind power.

How would you explain the importance of sampling distribution in inferential statistics?

Compare covariance and correlation.

Why might you use volatile instead of synchronized?

Tell me about a time you noticed a product gap that could apply beyond one customer or one incident.

Given a list of strings, find the number of occurrences of the second letter of the first word, and return the character and its count.

Tell me about a time you built a product involving AI inference.

Google Meet used to be available only to G Suite users and now it's widely available to everybody. How would you define success and what metrics would you use?

Design a recommendation system for locations in a feed for a user who arrives in a new city and wants recommendations for places to visit.

Traverse a matrix or grid to find the shortest path between point A and point B.

How do you push development when you do not have the explicit support of the rest of the team?

Tell me about a time you worked independently.

We've noticed a drop off in card usage. Evaluate why this might be happening and propose solutions to address it.

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