Datenwissenschaftler Interview Questions

Datenwissenschaftler Interview Questions

In einem Vorstellungsgespräch für Datenwissenschaftler stellen Arbeitgeber wahrscheinlich Fragen zur Beurteilung Ihrer Kompetenzen in Datenmodellierung, Problemlösung und Programmierung. Bereiten Sie sich darauf vor, allgemeine Fragen zu beantworten, die Ihre Kenntnisse in Statistik und Datenwissenschaft testen sollen. Sie müssen evtl. auch offene Fragen beantworten, mit denen Ihre Kreativität, Kommunikationsfähigkeiten und Ihre Ausbildung in Datenmodellierung und Programmierung geprüft werden.

Typische Bewerbungsfragen als Datenwissenschaftler (m/w/d) und wie Sie diese beantworten

Question 1

Frage 1: Welche Verfahren der Datenmodellierung bevorzugen Sie und warum?

How to answer
So beantworten Sie die Frage: Daten in verständliche und aktionsfähige Informationen umzuwandeln ist ein kritischer Bestandteil der Arbeit eines Datenwissenschaftlers. Mit dieser Frage können Arbeitgeber Ihre Fähigkeiten in Datenmodellierung und Ihren Hintergrund in Erfahrung bringen. Führen Sie Ihre bevorzugten Datenmodellierungstechniken auf und erläutern Sie die jeweiligen Vorteile wie einfache Anwendung, Flexibilität usw.
Question 2

Frage 2: Wie würden Sie gefälschte Instagram-Konten feststellen, mit denen Verbraucher betrogen werden sollen?

How to answer
So beantworten Sie die Frage: Mithilfe von Fragen wie dieser kann ein Arbeitgeber Ihre Problemlösungskompetenz prüfen. Bei der Beantwortung offener Fragen wie dieser können Sie ruhig klärende Fragen stellen und Whiteboards verwenden, um Ihre Programmier- und Diagrammfähigkeiten vorzuführen. Verdeutlichen Sie Ihren Denkprozess bei der Behebung des Problems.
Question 3

Frage 3: Beschreiben Sie Umstände, die in Python eine Liste, ein Tuple oder Set erfordern.

How to answer
So beantworten Sie die Frage: Personalverantwortliche verwenden Fragen wie diese, um Ihre Python-Programmierkenntnisse zu prüfen. Gehen Sie vor dem Vorstellungsgespräch die Grundlagen von Python wie Listen, Tuples und Sets durch. Sie sollten erklären können, wann und wie jedes Tool von Datenwissenschaftlern eingesetzt wird.

33,519 datenwissenschaftler interview questions shared by candidates

The company developed a new feature and perform A/B test. Here is the result Comments +5% Likes -10% Timespent +1% All else neutral How would you decide to whether putting into product based on the A/B test result? Any ideas?
avatar

Data Scientist

Interviewed at Meta

3.6
Jun 8, 2017

The company developed a new feature and perform A/B test. Here is the result Comments +5% Likes -10% Timespent +1% All else neutral How would you decide to whether putting into product based on the A/B test result? Any ideas?

There are 50 cards of 5 different colors. It comprises of 10 Red cards, 10 blue cards, 10 orange cards, 10 green cards and 10 yellow cards. Each color will have the cards numbered between 1 to10. You pick 2 cards at random. What is the probability that they are not of same color and not of same number.
avatar

Data Scientist

Interviewed at Meta

3.6
Jul 17, 2016

There are 50 cards of 5 different colors. It comprises of 10 Red cards, 10 blue cards, 10 orange cards, 10 green cards and 10 yellow cards. Each color will have the cards numbered between 1 to10. You pick 2 cards at random. What is the probability that they are not of same color and not of same number.

There's a game where you are given two fair six-sided dice and asked to roll. If the sum of the values on the dice equals seven, then you win $21. However, you must pay $5 to play each time you roll both dice. Do you play this game? And in follow-up: What is the probability of making money from this game?
avatar

Data Scientist

Interviewed at Meta

3.6
Nov 24, 2016

There's a game where you are given two fair six-sided dice and asked to roll. If the sum of the values on the dice equals seven, then you win $21. However, you must pay $5 to play each time you roll both dice. Do you play this game? And in follow-up: What is the probability of making money from this game?

SQL question: given a table of interaction between users (user_a | user_b | day), find number of users who had more than 5 interactions yesterday (assume there is only one unique interaction between a pair of users per day). Product Question: A user satisfaction survey was conducted for two groups of facebook users (each with 50 k sample size). Group1: who had enabled certain login security features Group 2: who had not enabled these security features. It was found that user satisfaction with group1 was 30% lower than with group 2. Why do you think so? Comment on how the survey was conducted?
avatar

Data Scientist

Interviewed at Meta

3.6
May 11, 2018

SQL question: given a table of interaction between users (user_a | user_b | day), find number of users who had more than 5 interactions yesterday (assume there is only one unique interaction between a pair of users per day). Product Question: A user satisfaction survey was conducted for two groups of facebook users (each with 50 k sample size). Group1: who had enabled certain login security features Group 2: who had not enabled these security features. It was found that user satisfaction with group1 was 30% lower than with group 2. Why do you think so? Comment on how the survey was conducted?

Given a table with columns country (with two-letter country abbreviation), count of requests sent, percentage of requests sent failed, condense down to this data grouped by country: country (one row per country), total count of requests sent, total count of requests sent failed.
avatar

Data Scientist

Interviewed at Meta

3.6
Apr 29, 2019

Given a table with columns country (with two-letter country abbreviation), count of requests sent, percentage of requests sent failed, condense down to this data grouped by country: country (one row per country), total count of requests sent, total count of requests sent failed.

Viewing 21 - 30 interview questions

Glassdoor has 33,519 interview questions and reports from Datenwissenschaftler interviews. Prepare for your interview. Get hired. Love your job.