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Amazon Decision Scientist Interview Questions and Answers
1 interview found
ROSHIN JACOB JOHNSON me12b166
I applied via campus placement at Indian Institute of Technology (IIT), Chennai and was interviewed in Dec 2016.
6 Interview Rounds
Interview Questions
- Q1. Most challenging problem you have solved or tried solving
View Answers (1)
- Q2. Few simple puzzles and guestimates
Add Answer
Interview Preparation Tips
Experience: Quant questions and basic programming
Duration: 45 minutes
Total Questions: 28
Round: Case Study Interview
Experience: Simple question. Just keep on telling what comes to your mind.
College Name: IIT Madras
Interview questions from similar companies
Sarmili Mondal
I applied via LinkedIn and was interviewed in Sep 2024.
1 Interview Round
Technical Round (1 Question)
- Q1. Describe your project View Answers (1)
Anonymous
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
2 Interview Rounds
Coding Test Round
SQL - shared question on the screen and asked to code in SQL
Technical Round (1 Question)
- Q1. Nth highes salary Add Answer
I applied via LinkedIn and was interviewed before Jun 2023.
1 Interview Round
Coding Test Round
SQL test on hackerrank
Interview Preparation Tips
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.
Namitha Cherian
I applied via Referral and was interviewed before Oct 2023.
2 Interview Rounds
One-on-one Round (1 Question)
- Q1. Explain past projects Add Answer
One-on-one Round (1 Question)
- Q1. Explain resume points View Answers (1)
I applied via campus placement at Vellore Institute of Technology (VIT) and was interviewed in Aug 2023.
3 Interview Rounds
Aptitude Test Round
Aptitude Test had questions on sql, analytic ques, case study ques on uber
Technical Round (5 Questions)
- Q1. What are Sql joins, window functions View Answers (1)
- Q2. Write sql queries View Answers (1)
- Q3. Given 5L and 3L jar. How will you make it 4L (Logical thinking) Add Answer
- Q4. Questions on resume projects Add Answer
- Q5. Questions on excel functions Add Answer
Case Study Round
Here they given three case study questions of uber where they would like to check you analytic behavior, they want to know how would you use the data to solve such a problem.
Interview Preparation Tips
- SQL
- MySQL
- Excel
Skills evaluated in this interview
2 Interview Rounds
Technical Round (1 Question)
- Q1. Write SQL to print the user with the highest restaurant order. There are couple of joins to be used. View Answers (1)
Aptitude Test Round
Statistical Analysis related questions
Skills evaluated in this interview
2 Interview Rounds
One-on-one Round (1 Question)
- Q1. Coding and data structure Add Answer
Technical Round (1 Question)
- Q1. ML Breadth and depth Add Answer
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