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10 months ago

What factors would you consider when deciding whether to use a Gaussian mixture model to model a data set?

Data Scientist

Deloitte

CrowdStrike

Ticketmaster

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10 months ago

Statistics

10 months ago

Can you describe some of the factors that might have led to the disparity in outcomes between the two groups in an A/B test?

Data Scientist

Deloitte

Dollar Shave Club

Rivian

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10 months ago

ML Knowledge

10 months ago

Illustrate the operational dynamics of a 1D convolutional neural network.

Data Scientist

Deloitte

Figma

UberEats

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10 months ago

SQL

10 months ago

Which is faster, joins or subqueries?

Data Scientist

Deloitte

trivago

eToro

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10 months ago

Statistics

a year ago

If a couple has two kids, and they know one of them is a boy, what is the probability for the other child to be a boy?

Data Scientist

Deloitte

Yext

Electronic Arts

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a year ago

ML Knowledge

a year ago

In your experience, what kind of problems can be solved using XGBoosting?

Data Scientist

Deloitte

PayPal

Zoom

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a year ago

Analytics Case

a year ago

You have sales data indexed by month. How would you calculate the cumulative sales for each month using pandas? And how would you do the same using SQL? What are the advantages and disadvantages of each approach?

Data Scientist

Deloitte

Apple

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a year ago

Statistics

a year ago

What is the probability that 2X is greater than Y, when X and Y are independent random variables having uniform distributions with mean 0 and standard deviation 1?

Data Scientist

Deloitte

Etsy

Juniper Networks

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a year ago

SQL

a year ago

Explain the differences between a left join, right join, inner join, and outer join?

Data Scientist

Deloitte

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