Amazon Associate Data Scientist Interview Questions and Answers

Q1. What do you know about Uber?
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Q2. Went over my current role
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Q1. Describe your project
Ans. 
Developed a predictive model to forecast customer churn for a telecom company
• Collected and cleaned customer data including demographics, usage patterns, and customer service interactions

• Used machine learning algorithms such as logistic regression and random forest to build the predictive model

• Evaluated model performance using metrics like accuracy, precision, recall, and ROC curve

• Provided actionable insights to the com
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Q1. Coding and data structure
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Q1. ML Breadth and depth
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Q1. Explain past projects
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Q1. Explain resume points
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Resume points are concise descriptions of your work experience, skills, and achievements listed on your resume.
• Resume points should be clear, specific, and quantifiable.

• Use action verbs to start each point, such as 'developed', 'implemented', 'analyzed'.

• Include relevant metrics or results to demonstrate impact, such as 'increased sales by 20%' or 'reduced processing time by 30%'.
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SQL - shared question on the screen and asked to code in SQL

Q1. Nth highes salary
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Live SQL Coding and Product sense questions. You can practice SQL using Stratascratch or Hackerrank. For product sense, refer to dataandmetrics.com or interviewquery.

Stats, ML and product questions.

Q1. Past experience and product case.
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Generally 90 min coding test with 3 SQL questions

Q1. Advanced SQL - basic stats
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Q1. SQL + Statistics
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Q1. Python + SQL + Stats
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Q1. Advanced Statistics
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Round duration - 60 minutes
Round difficulty - Easy

Timing: 8:00-9:00 PM
There was 1 MCQ and 3 SQL queries. The platform was easy to use and navigate.

Round duration - 30 minutes
Round difficulty - Medium

Timing: 11 AM-11:30 AM
The interviewer was very kind and helpful. He helped me by giving hints whenever I was stuck.

Round duration - 30 minutes
Round difficulty - Medium

Timing: 12:15 PM to 12:45 PM.
The interviewer was very helpful and friendly. He was more interested in my approach rather than the final answer.

Q1. Puzzle Question
What new feature would you like to add in Uber?
Ans. 
Tip 1 : Creativity has no limit in such questions
Tip 2 : Suggest any of the dreams that you would like to see in your dream company
Tip 3 : I suggested ideas such as Uber Ambulance, Uber Flights, etc
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Round duration - 30 minutes
Round difficulty - Hard

Timing: 3:00PM to 3:30PM
This was Hiring Manager round. He asked me case study type of questions.