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Statistics
2 years ago
What's your understanding of the dissimilarities between the frequentist and Bayesian methods for probability? Further, what benchmarks would you use when selecting which path to take in a given situation?
Data Scientist

Ola

Noom

Bloomberg

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2 years ago
Behavioral
2 years ago
Briefly describe your background and what is your most relevant experience within Ola
Data Scientist

Ola

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2 years ago
Coding
2 years ago
Create an object class in Python to iterate over sequences.
Data Scientist

Ola

DoorDash Logo

DoorDash

Rovio Logo

Rovio

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2 years ago
ML Knowledge
2 years ago
What's your strategy to calculate the correlation between a binary and continuous variable?
Data Scientist

Ola

Figma Logo

Figma

Groupon Logo

Groupon

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2 years ago
Data Visualization
2 years ago
In your opinion, which features of a data visualization are necessary for it to be informative?
Data Scientist

Ola

Discord Logo

Discord

Pluralsight Logo

Pluralsight

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2 years ago
ML Knowledge
2 years ago
How do you make sure that your machine learning results are communicated in the most impactful way to stakeholders?
Data Scientist

Ola

Squarespace Logo

Squarespace

Electronic Arts Logo

Electronic Arts

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2 years ago
ML Knowledge
2 years ago
What role does dimensionality reduction play in Machine Learning, and what approaches do practitioners typically take when working with high-dimensional data?
Data Scientist

Ola

Walmart Logo

Walmart

Viber Logo

Viber

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2 years ago
ML Knowledge
2 years ago
What are the roles of batch normalization and dropout in training deep neural networks?
Data Scientist

Ola

LendingClub Logo

LendingClub

Atlassian Logo

Atlassian

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2 years ago
Statistics
2 years ago
Would you mind explaining how to distinguish between variance and bias in a model's errors?
Data Scientist

Ola

Convoy Logo

Convoy

Rakuten Logo

Rakuten

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2 years ago
Statistics
2 years ago
In a square matrix with each cell containing a numerical value, what algorithm would yield the maximum sum from top-left to bottom-right with only downward or rightward moves?
Data Scientist

Ola

Babylon Health Logo

Babylon Health

Zoom Logo

Zoom

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2 years ago

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

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