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Lumen Data Scientist Interview Questions
& Process

Real candidates share what happened, how many rounds they had,
and how the experience turned out.

Based on 14 interview experiences · FREE TO READ

2.1 Rounds average
Average Typical difficulty
50% Positive experience

Candidate interview experiences

First-hand accounts from people who interviewed at Lumen.

Showing 3 of 14
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Lumen

Data Scientist

Analytics · a year ago

Senior Average Positive experience Accept offer 3 rounds
Interview process
Recruiter call Phone screen Technical screen Onsite
Interview formats
Technical Behavioral

The difficulty is moderate to easy. Like any other interviews, it depends on the position and team you are being hired for, the questions were majorly from domain I worked on and technical knowledge used.

Confirmed questions1 question
  • Tell me about your use of the random forest algorithm and how you would determine NPS for a user.
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Lumen

Data Scientist Intern

Research · more than a year ago

Intern Easy Negative experience No offer 1 round
Interview process
Recruiter call Take home Background check Offer
Interview formats
Behavioral

I applied online and got a HireVue interview right away. I thought I did great on it. Then, after two months of no news, I found out I didn't get the job via email. I ended up getting a better internship elsewhere. I wouldn't suggest applying here; it's a waste of time.

Confirmed questions1 question
  • Tell me about a time you faced challenges working in a team.
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Lumen

Data Scientist

Analytics

Entry Average Negative experience No offer 1 round
Interview process
Take home Technical screen
Interview formats
Technical Coding

To be considered for this role, you'll need to complete an exercise. We suggest finishing it within 5 days of applying. This exercise involves answering some questions and playing some Game Challenges. You'll get to practice before each question, and each game will have its own set of instructions to read beforehand.

Confirmed questions0 questions

No confirmed questions were included in this interview report.

Lumen Data Scientist Interview Questions

Quoted word for word from Lumen interview reports.

Could you explain overfitting and your strategies for handling it?

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Tell me about your use of the random forest algorithm and how you would determine NPS for a user.

Read reports

Share an instance where you had to make a rapid decision despite lacking complete information.

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Tell me about a time you faced challenges working in a team.

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Tell me about a time you went above and beyond for a client with your work.

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Formats, difficulty and experience

Across all 14 Lumen interview reports.

Interview formats

Behavioral 40.6%
Technical 28.1%
Coding 12.5%
Other 6.2%
System Design 3.1%

Interview difficulty

Easy 14.3%
Average 71.4%
Difficult 14.3%

Candidate experience

Negative 21.4%
Neutral 28.6%
Positive 50%