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a year ago

Let's say you have a friend who has two children, and they tell you that at least one of them is a boy. What's the probability that the other one is a boy?

Data Scientist

Cognizant

ASML

Coursera

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a year ago

ML Knowledge

a year ago

How would you select the value of "k" in the K-means algorithm?

Data Scientist

Cognizant

Grammarly

Ola

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a year ago

Behavioral

a year ago

What was your most innovative idea?

Data ScientistML Engineering ManagerData Science ManagerData Engineering Manager

Cognizant

SPS Commerce

Grover

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a year ago

Behavioral

a year ago

Please share an instance when you and your manager disagreed.

Data ScientistData Engineering ManagerEngineering ManagerUX Designer

Cognizant

Pepperfry

Huawei

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a year ago

Behavioral

2 years ago

Describe a conflict with your manager.

Data ScientistTechnical Program ManagerSoftware EngineerBackend Engineer

Cognizant

Nuro

Sendbird

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2 years ago

Behavioral

2 years ago

Tell us about the achievement you are most proud of? Why?

Data ScientistProgram ManagerFrontend EngineerFull Stack Software Engineer

Cognizant

Babylon Health

Act-On

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2 years ago

Behavioral

2 years ago

Can you describe how Cognizant's mission aligns with your long-term goals

Data Scientist

Cognizant

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2 years ago

ML Knowledge

2 years ago

What are some key factors you consider when choosing between Lasso and Ridge regression?

Data Scientist

Cognizant

Riot Games

Swiggy

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2 years ago

ML Knowledge

2 years ago

What insights can you provide about employing a confusion matrix versus an ROC curve in evaluating model accuracy?

Data ScientistMachine Learning Engineer

Cognizant

Udacity

Splunk

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2 years ago

ML Knowledge

2 years ago

What are some of the major assumptions inherent in linear regression models, and what implications do they have for interpreting output?

Data Scientist

Cognizant

Illumina

StubHub

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2 years ago

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