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2 years ago
If someone asked you what power meant in easy-to-understand language, how would you respond?
Data Scientist
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ClassPass

Tableau Logo

Tableau

Deliveroo Logo

Deliveroo

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2 years ago
Statistics
2 years ago
What is the likelihood of four individuals on an elevator getting off on four different floors, given that the building they occupy has just four floors?
Data Scientist
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ClassPass

Snap Logo

Snap

Rivian Logo

Rivian

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2 years ago
SQL
2 years ago
Describe your approach for joining two tables where one table has duplicates.
Data Scientist
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ClassPass

Mastercard Logo

Mastercard

Sprinklr Logo

Sprinklr

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2 years ago
Product CaseStatistics
2 years ago
How would you approach calculating the expected spend of a 5$ coupon that was given to N users with a probability of P?
Data Scientist
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ClassPass

Deliveroo Logo

Deliveroo

Booking.com Logo

Booking.com

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2 years ago
ML Knowledge
2 years ago
How does the size of the input data affect the time complexity of training an SVM? How is the time complexity for SVM inference calculated? Can you explain the effect of different kernels on the time complexity of SVMs?
Data Scientist
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ClassPass

Nokia Logo

Nokia

Adobe Logo

Adobe

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2 years ago
SQL
2 years ago
When it comes to performance, do you think subqueries or joins are more efficient?
Data Scientist
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ClassPass

trivago Logo

trivago

eToro Logo

eToro

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2 years ago
Statistics
2 years ago
Could you describe the process for estimating the probability of ordering a ride, given a certain set of assumptions? What assumptions are necessary for this calculation? Furthermore, how would you generate a confidence interval for this probability?
Data Scientist
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ClassPass

Riot Games Logo

Riot Games

N26 Logo

N26

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2 years ago
Statistics
2 years ago
How would you explain the concept of regression to a non-statistical professional?
Data Scientist
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ClassPass

Snowflake Logo

Snowflake

Dollar Shave Club Logo

Dollar Shave Club

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2 years ago
Statistics
2 years ago
In logistic regression, if two predictors are highly correlated, what impact does this have on the estimates of the regression coefficients and their confidence intervals?
Data Scientist
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ClassPass

Zomato Logo

Zomato

Palo Alto Networks Logo

Palo Alto Networks

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2 years ago
ML Knowledge
2 years ago
Would you elucidate the meaning of training and loss graphs pertaining to neural networks? How does the choice of loss function impact the shape of the loss graph, and what are some extensively used ones? How do the training and loss graphs differ, and what role do they play in optimizing and maximizing model performance?
Data Scientist
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ClassPass

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Thumbtack

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Glovo

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2 years ago

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*All interview questions are submitted by recent ClassPass Data Scientist candidates, labelled and categorized by Prepfully, and then published after being verified by Data Scientists at ClassPass.

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