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WNS Data Scientist Interview Questions and Answers

Updated 8 Feb 2024

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Data Scientist Interview Questions

user image Manish Sharma

posted on 8 Feb 2024

Interview experience
4
 Good
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

Technical Round (4 Questions)

  • Q1. Basics about regression models
  • Q2. Basics of PCA, Boosting, bagging
  • Q3. People Management
  • Q4. Project information from resume

Interview questions from similar companies

Interview experience
5
 Excellent
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
 Not Selected

I applied via Walk-in and was interviewed in Jun 2024.

1 Interview Round

1

Aptitude Test Round

The first round consisted of a general assessment that included tests on artificial intelligence, machine learning, data science, English, and aptitude, followed by a face-to-face interview.

Interview experience
4
 Good
Difficulty level
 Easy
Duration
 Less than 2 weeks
Result
Selected  Selected

I applied via Referral and was interviewed before Apr 2023.

2 Interview Rounds

1

Case Study Round

Normal Case study regarding Predictive modelling

2

Technical Round (2 Questions)

  • Q1. Ml Related questions
  • Q2. Basic ML and Project related questions
Interview experience
4
 Good
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
Selected  Selected

I applied via Referral and was interviewed before Mar 2023.

1 Interview Round

1

Technical Round (1 Question)

  • Q1. Assessment was given and I was asked to explain about the steps and procedures carried out and few basic questions on my assessment was asked

Interview Questions

Interview experience
5
 Excellent
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
 Not Selected

I applied via Walk-in and was interviewed in Jun 2024.

1 Interview Round

1

Aptitude Test Round

The first round consisted of a general assessment that included tests on artificial intelligence, machine learning, data science, English, and aptitude, followed by a face-to-face interview.

Interview experience
4
 Good
Difficulty level
 Easy
Duration
 Less than 2 weeks
Result
Selected  Selected

I applied via Referral and was interviewed before Apr 2023.

2 Interview Rounds

1

Case Study Round

Normal Case study regarding Predictive modelling

2

Technical Round (2 Questions)

  • Q1. Ml Related questions
  • Q2. Basic ML and Project related questions
Interview experience
4
 Good
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
Selected  Selected

I applied via Referral and was interviewed before Mar 2023.

1 Interview Round

1

Technical Round (1 Question)

  • Q1. Assessment was given and I was asked to explain about the steps and procedures carried out and few basic questions on my assessment was asked
Interview experience
4
 Good
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
Selected  Selected

I applied via Referral and was interviewed before Feb 2023.

2 Interview Rounds

1

Assignment Round

ML assignment was given, to be solved in two days

2

Coding Test Round

Python questions on functions and classess

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare python OOPS concept and data structures like list, dictionaries etc

Interview Questions

WNS Interview FAQs

How many rounds are there in WNS Data Scientist interview?
WNS interview process usually has 1 rounds. The most common rounds in the WNS interview process are Technical.
How to prepare for WNS 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 WNS. The most common topics and skills that interviewers at WNS expect are Data Science, Machine Learning, Python, R and Natural Language Processing.
What are the top questions asked in WNS Data Scientist interview?

Some of the top questions asked at the WNS Data Scientist interview -

  1. Basics of PCA, Boosting, bagg...read more
  2. Basics about regression mod...read more
  3. People Managem...read more

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WNS Data Scientist Salary
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₹5.3 L/yr - ₹21.8 L/yr
13% less than the average Data Scientist Salary in India
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