Me postulé en línea. Acudí a una entrevista en Groupon en may 2015
Entrevista
The requirements for this position is pretty high. It's a good chance to see the real interview questions for a data scientist position.
1.schedule for quiz interview through email, I replied and waited 1 week.
2.statistic questions, difficult for me. No deadline mentioned in the email, I guess you need send the answers back in the same day.
Preguntas de entrevista [1]
Pregunta 1
You are on a number line and you can jump to one of the neighbor points with equal probability, with the exception of n=0 where you can't go to negative numbers but have to come back to n=1.
If you start at n=44, what is the expected number of steps to reach n=4444?
Me postulé en línea. El proceso tomó 2 semanas. Acudí a una entrevista en Groupon
Entrevista
4 stage process.
1. Quick chat with HR (phone).
2. Technical screening (phone). Was very focused on theoretical basis of different ML techniques. Interviewer gave immediate feedback on areas to study up on.
3. Interview with business stakeholders (phone).
4. On-site interview.
Preguntas de entrevista [1]
Pregunta 1
Name the 5 assumptions made when using linear regression techniques
Me postulé en línea. El proceso tomó 1 semana. Acudí a una entrevista en Groupon (Chicago, IL) en jul 2019
Entrevista
After applying, I had a behavioural phone screen with a recruiter, followed by a technical phone screen with a data scientist (who seemed to be doing interviews exclusively now). I was told the next steps were a phone call with business stakeholders, followed by an on-site interview day.
Me postulé en línea. Acudí a una entrevista en Groupon (Chicago, IL) en abr 2019
Entrevista
The first step is the phone screen, I was asked lots of questions about the concept of statistics, especially the question relevant to the AB test; as well as common behavior questions
Preguntas de entrevista [1]
Pregunta 1
1. what is type 1 error?
2. what is type 2 error?
3. what is false positive?
4. what is p value?