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Behavioral
4 years ago
Please share an instance when you and your manager disagreed.
Data ScientistData Engineering ManagerEngineering ManagerUX Designer

AT&T

Pepperfry

Huawei

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4 years ago
Behavioral
4 years ago
What process or skills you learned at your last job will prove useful at AT&T?
Data Scientist

AT&T

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4 years ago
Statistics
4 years ago
Given a list of numbers representing predicted probabilities and corresponding true labels, how would you plot an ROC curve?
Data Scientist

AT&T

IBM Logo

IBM

OfferUp Logo

OfferUp

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4 years ago
ML Knowledge
4 years ago
How do neural networks utilize attention mechanisms to enhance their performance?
Data Scientist

AT&T

Convoy Logo

Convoy

Bloomberg Logo

Bloomberg

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4 years ago
Behavioral
4 years ago
How did you become interested in AT&T?
Data Scientist

AT&T

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4 years ago
Behavioral
4 years ago
In your opinion, what are some of the key success indicators for someone in the Data Scientist role?
Data Scientist

AT&T

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4 years ago
Statistics
4 years ago
How many days, on average, do you expect it would take to draw a value greater than 2 if you were randomly drawing from a normal distribution with a mean of 0 and a standard deviation of 1 once per day?
Data Scientist

AT&T

NVIDIA Logo

NVIDIA

Comcast Logo

Comcast

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4 years ago
Coding
4 years ago
Could you illustrate how to implement a binary search and elaborate on its time complexity? Is there potential for making it more efficient?
Data Scientist

AT&T

Bitdefender Logo

Bitdefender

Mailchimp Logo

Mailchimp

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4 years ago
Statistics
4 years ago
What is the chance of making a type 1 error, and can you elaborate on it? If we modify the sampling distribution by filtering out data below the mean, how will it affect the probability of a type 1 error?
Data Scientist

AT&T

Zalando Logo

Zalando

Netflix Logo

Netflix

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4 years ago
Coding
4 years ago
How would you go about computing the confidence intervals for a mean in Python.
Data Scientist

AT&T

Splunk Logo

Splunk

Google Logo

Google

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4 years ago

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

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