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Uber Decision Scientist Interview Questions and Answers for Freshers
1 interview found
Anonymous
Selected
I applied via Referral and was interviewed before Jan 2023.
5 Interview Rounds
Coding Test Round
Generally 90 min coding test with 3 SQL questions
Technical Round (1 Question)
- Q1. Advanced SQL - basic stats Add Answer
Technical Round (1 Question)
- Q1. SQL + Statistics Add Answer
Technical Round (1 Question)
- Q1. Python + SQL + Stats Add Answer
HR Round (1 Question)
- Q1. Advanced Statistics Add Answer
Interview Preparation Tips
1. Advanced SQL questions were asked - Window functions and CTEs
2. Advanced Statistics: XPs, Significance tests, everything about normal distribution etc.
Interview questions from similar companies
2 Interview Rounds
Coding Test Round
Basic DSA questions will be asked Leetcode Easy to medium
Technical Round (2 Questions)
- Q1. BERT vs LSTM and their speed View Answers (1)
- Q2. What is multinomial Naive Bayes theorem View Answers (1)
Skills evaluated in this interview
Selected
I applied via Company Website and was interviewed before Dec 2023.
3 Interview Rounds
Aptitude Test Round
Categories of the CAT exam include Quantitative Aptitude, Verbal Ability, Data Interpretation and Logical Reasoning, and Graphical questions.
Coding Test Round
Medium level. Focus on SQL subqueries application.
One-on-one Round (2 Questions)
- Q1. Statistical questions related to different hypothesis testing Add Answer
- Q2. Questions related to different machine learning model Add Answer
I applied via campus placement at Birla Institute of Technology and Science (BITS), Pilani and was interviewed in Dec 2023.
2 Interview Rounds
Aptitude Test Round
The first round was a 45 min long aptitude and case study round which involved basic aptitude questions along with certain cases like "There has been a drop off in customers booking a hotel though the the total number of visits to the site has not dropped. How would you you design a system to analyze the problem and what kind of data will you collect." It was followed by a couple of HR questions
Assignment Round
A mock data set of hotel bookings in different countries for last two years were given a week prior to the interview. We were to clean, prepare, derive insights and recommend actions. All of this needed to be documented as 15 page presentation. This presentation then needed to be presented in a 45 min meet.
Interview Preparation Tips
Selected
I was interviewed in Dec 2023.
6 Interview Rounds
Aptitude Test Round
English, number system, grammar
Coding Test Round
Python , data science, machine learning
Assignment Round
Python machine learning, natural language precossing
HR Round (4 Questions)
- Q1. Python , Data Science, SQL Add Answer
- Q2. What is python basics, libraries View Answers (1)
- Q3. Data science algorithms , and theory Add Answer
- Q4. Sql querys, cluases Add Answer
Group Discussion Round
Indian environment, village, college days
HR Round (1 Question)
- Q1. Python, data science Add Answer
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