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EXL Service Data Scientist Interview Questions, Process, and Tips
Updated
12 Dec 2024
Top EXL Service Data Scientist Interview Questions and Answers
- Q1. How would you measure model effectiveness without using any of confusion matrix metrics given the data is highly imbalanced
- Q2. What is Blue score in Regression
- Q3. Difference between bagging and boosting
9 EXL Service Data Scientist Interview Experiences
16 questions found
Sort by:
Popular
Anonymous
Interview experience
Average
Difficulty level
Moderate
Duration
2-4 weeks
Result
Not Selected
I applied via Company Website and was interviewed in Jun 2024.
2 Interview Rounds
1
Aptitude Test Round
Basic aptitude , tech aptitude
2
One-on-one Round (2 Questions)
- Q1. What is overfitting Add Answer
- Q2. How to handle missing values Add Answer
Interview experience
Excellent
Difficulty level
-
Duration
-
Result
-
I was interviewed in Nov 2024.
1 Interview Round
1
Technical Round (2 Questions)
- Q1. Project related questions Add Answer
- Q2. Coding questions Add Answer
Get interview-ready with top interview questions
Interview experience
Good
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
No response
I applied via Naukri.com and was interviewed in Feb 2024.
1 Interview Round
1
Technical Round (2 Questions)
- Q1. Cross validation Add Answer
- Q2. How to handle imbalanced dataset View Answers (1)
Interview Preparation Tips
Interview preparation tips for other job seekers - most questions will be from your projects/work exp
Skills evaluated in this interview
Interview experience
Excellent
Difficulty level
-
Duration
-
Result
-
2 Interview Rounds
1
Aptitude Test Round
Statistics based questions
2
Case Study Round
Basic case study any topic
EXL Service interview questions for designations
Interview experience
Good
Difficulty level
-
Duration
-
Result
-
1 Interview Round
1
Technical Round (1 Question)
- Q1. Sql, python, ml based questions Add Answer
Interview experience
Good
Difficulty level
Hard
Duration
Less than 2 weeks
Result
Not Selected
I was interviewed in Nov 2022.
2 Interview Rounds
1
Resume Shortlist Round
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
2
Technical Round (3 Questions)
- Q1. Difference between bagging and boosting View Answers (1)
- Q2. How would you measure model effectiveness without using any of confusion matrix metrics given the data is highly imbalanced View Answers (2)
- Q3. What is Blue score in Regression View Answers (2)
Interview Preparation Tips
Topics to prepare for EXL Service Data Scientist interview:
- Machine Learning
- Statistics
- Regression Analysis
Skills evaluated in this interview
Data Scientist Jobs at EXL Service
Interview experience
Average
Difficulty level
Easy
Duration
Less than 2 weeks
Result
Selected
I applied via Approached by Company and was interviewed before Sep 2023.
1 Interview Round
1
One-on-one Round (3 Questions)
- Q1. Statistics basic questions Add Answer
- Q2. Linear regression vs logistics regression View Answers (1)
- Q3. Cross entropy vs binary cross View Answers (1)
Skills evaluated in this interview
Interview experience
Average
Difficulty level
Moderate
Duration
2-4 weeks
Result
Selected
I applied via Naukri.com and was interviewed before Jun 2023.
2 Interview Rounds
1
One-on-one Round (1 Question)
- Q1. Questions on Data Analysis Add Answer
2
Behavioral Round (1 Question)
- Q1. Questions to check the culture fit Add Answer
I applied via Recruitment Consultant and was interviewed in Jul 2021.
3 Interview Rounds
Interview Questions
- Q1. Use case for insurance domain
View Answers (1)
Interview Preparation Tips
Interview preparation tips for other job seekers - Be prepared with one use case in story telling way
Top trending discussions
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Interview Tips & Stories
2w (edited)
a consultant
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However, I feel that providing these documents might affect salary negotiations, and it feels a bit unethical too.
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Interview questions from similar companies
Interview experience
Good
Difficulty level
Moderate
Duration
6-8 weeks
Result
Selected
I applied via Naukri.com and was interviewed in Oct 2023.
4 Interview Rounds
1
Coding Test Round
Sql, python, Statistics mcq, Aptitude test. These were medium level questions.
2
Technical Round (3 Questions)
- Q1. SQL and python, time complexity Add Answer
- Q2. Make 2 lists a=[1,2,3,4] b=[9,8,5,5,2,3,3,4,1,1,10,9,2,3,4,10,10,9,7,7,8] Write a program to remove duplicate of b and keep only those elements of b which are n...read more View Answers (2)
- Q3. SQL question
Remove duplicate from a table tab1 View Answers (2)
3
Case Study Round
Given 2 case studies on data science and asked different possibilities to improve the models.
How to work with imbalance dataset.
How to remove null values, what is features engineering.
What is PCA
What is the working of XGBOOST
4
Project discussion Round (1 Question)
- Q1. What was last project, tell me in detail.
There were different technical questions related to my project Add Answer
Interview Preparation Tips
Interview preparation tips for other job seekers - Be confident and practice SQL, python, mainly pandas and numpy. Should have good knowledge on time complexity.
All the metrics of evaluating a model.
Linear regression, logestic regression, random forest, decission tree, adaboost, Gradient boosting, XGb in detail.
Recall, precision roc_curve. Auc, f1 score, mse,mae, r2, adjusted r2 score.
Is it possible that r2 score appears in minus
All the metrics of evaluating a model.
Linear regression, logestic regression, random forest, decission tree, adaboost, Gradient boosting, XGb in detail.
Recall, precision roc_curve. Auc, f1 score, mse,mae, r2, adjusted r2 score.
Is it possible that r2 score appears in minus
Skills evaluated in this interview
EXL Service Interview FAQs
How many rounds are there in EXL Service Data Scientist interview?
EXL Service interview process usually has 1-2 rounds. The most common rounds in the EXL Service interview process are Technical, One-on-one Round and Aptitude Test.
How to prepare for EXL Service Data Scientist interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at EXL Service. The most common topics and skills that interviewers at EXL Service expect are Python, Machine Learning, NLP, SQL and Data Science.
What are the top questions asked in EXL Service Data Scientist interview?
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EXL Service Interviews By Designations
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Interview Questions for Popular Designations
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Interview Process at EXL Service Data Scientist
based on 7 interviews in last 1 year
1 Interview rounds
- Technical Round
View more
People are getting interviews through
based on 5 EXL Service interviews
Job Portal
Company Website
Recruitment Consultant
40%
20%
20%
20% candidates got the interview through other sources.
Moderate
Confidence
?
Moderate Confidence means the data is based on a sufficient number of responses received from the candidates
Data Scientist Interview Questions from Similar Companies
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17%
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EXL Service Data Scientist Reviews and Ratings
based on 15 reviews
Rating in categories
|
Senior Executive
4.3k
salaries
|  ₹0.9 L/yr - ₹7.1 L/yr |
|
Assistant Manager
2.9k
salaries
| ₹4 L/yr - ₹15 L/yr |
|
Senior Associate
2.4k
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| ₹1 L/yr - ₹8.9 L/yr |
|
Lead Assistant Manager
1.9k
salaries
| ₹6.3 L/yr - ₹22 L/yr |
|
Associate
1.7k
salaries
| ₹1 L/yr - ₹5.6 L/yr |
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