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ZS Data Science Associate Interview Questions and Answers

Updated 21 Apr 2024

ZS Data Science Associate Interview Experiences

4 interviews found

Interview experience
4
Good
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Mar 2024. There were 3 interview rounds.

Round 1 - Assignment 

I was goven an assignment to work on - code the machine learning solution and present it in slides why I did it, how I did it, the rationale behind my steps and so on.

Round 2 - Assignment 

It was a technical discussion with questions from statistics, my previous projects and so on.

Round 3 - HR 

(2 Questions)

  • Q1. It was general HR questions.
  • Q2. General answers
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Around 30 MCQs on the Aptitude test plus 2 basic coding questions.

Round 2 - Technical 

(1 Question)

  • Q1. I was asked to give a short presentation on any ML project I worked on and then follow-up questions
Round 3 - Technical 

(4 Questions)

  • Q1. Types of supervised learning problems.
  • Ans. 

    Supervised learning problems involve predicting an output variable based on input data with labeled examples.

    • Classification: Predicting a categorical label (e.g. spam/not spam)

    • Regression: Predicting a continuous value (e.g. house prices)

    • Ranking: Predicting the order of a set of items (e.g. search engine results)

  • Answered by AI
  • Q2. Explain Logistic regression.
  • Ans. 

    Logistic regression is a statistical model used to predict the probability of a binary outcome based on one or more predictor variables.

    • Logistic regression is used when the dependent variable is binary (0/1, True/False, Yes/No, etc.).

    • It estimates the probability that a given observation belongs to a particular category.

    • The output of logistic regression is a probability score between 0 and 1.

    • It uses the logistic functio...

  • Answered by AI
  • Q3. Explain Decision Trees.
  • Ans. 

    Decision Trees are a popular machine learning algorithm used for classification and regression tasks.

    • Decision Trees are a tree-like structure where each internal node represents a feature or attribute, each branch represents a decision rule, and each leaf node represents the outcome.

    • They are easy to interpret and visualize, making them popular for exploratory data analysis.

    • Decision Trees can handle both numerical and c...

  • Answered by AI
  • Q4. Asked 2 puzzles from InterviewBit.

Interview Preparation Tips

Topics to prepare for ZS Data Science Associate interview:
  • Machine Learning
  • Python

Skills evaluated in this interview

Data Science Associate Interview Questions Asked at Other Companies

Q1. You need to increase sales in Domino's Indonesia. What factors in ... read more
asked in ZS
Q2. Types of supervised learning problems.
asked in Geeklurn
Q3. What you know about data science
asked in Tredence
Q4. Draw Box-plot and explain its characteristics
asked in ZS
Q5. Explain Decision Trees.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - Coding Test 

A test of 10+ questions was conducted online- mostly mcq based but last question had a problem which needed to be solved via coding

Round 2 - Technical 

(2 Questions)

  • Q1. Showed data and asked what analysis can be made from this
  • Q2. Asked about the features that can be build on particular healthcare data
Round 3 - HR 

(2 Questions)

  • Q1. Asked questions about hobbies
  • Q2. Strength and weaknesses

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident. They also wanted to look up at the github profile that i mentioned in my CV.

I applied via Campus Placement and was interviewed before Jun 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Basic data science questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well

ZS interview questions for designations

 Data Analytics Associate

 (1)

 Decision Science Manager

 (1)

 Associate

 (23)

 Data Analyst

 (14)

 Data Scientist

 (9)

 Data Engineer

 (7)

 Senior Data Analyst

 (1)

 Data Engineer Consultant

 (1)

Data Science Associate Jobs at ZS

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Interview questions from similar companies

I applied via Recruitment Consultant and was interviewed before Sep 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. 1. Why do you want to change?
  • Q2. 2. What is your goal?
  • Q3. 3. Critical project you have handled?

Interview Preparation Tips

Interview preparation tips for other job seekers - Always be yourself and provide short and to the point answer

I applied via Recruitment Consultant and was interviewed before Apr 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Take about a chalanging task you did and how you handled it

Interview Preparation Tips

Interview preparation tips for other job seekers - Softskills is very important for getting in to ITIS sector. you clear softskills round you are almost there.

I applied via Campus Placement and was interviewed in Jul 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Why Java is platform independent?
  • Ans. 

    Java is platform independent due to its bytecode and JVM.

    • Java code is compiled into bytecode which is platform-independent.

    • JVM (Java Virtual Machine) interprets the bytecode and executes it on any platform.

    • JVM acts as an abstraction layer between the Java code and the underlying hardware.

    • This allows Java programs to run on any platform that has a JVM installed.

    • For example, a Java program written on a Windows machine ca...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Java is platform-independent because it does not depend on any type of platform. Hence, Java is platform-independent language. In Java, programs are compiled into byte code and that byte code is platform-independent. ... Any machine to execute the byte code needs the Java Virtual Machine.

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. 1)Tmaus? 2 ) why are you lefted previous job? 3) technical skills knowledge 4) work in under pressure? 5) hr round 6) manager round

Interview Questionnaire 

1 Question

  • Q1. Technical questions about Informatica

Interview Preparation Tips

Interview preparation tips for other job seekers - Below average interview questions. Got selected

I applied via Recruitment Consultant and was interviewed before Oct 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Communication and interpersonal and Team handle qualities

Interview Preparation Tips

Interview preparation tips for other job seekers - Be frank and say loudly what u r going to say be positive
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ZS Interview FAQs

How many rounds are there in ZS Data Science Associate interview?
ZS interview process usually has 3 rounds. The most common rounds in the ZS interview process are Technical, HR and Assignment.
How to prepare for ZS Data Science Associate 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 ZS. The most common topics and skills that interviewers at ZS expect are Machine Learning, Predictive Modeling, Analytical Chemistry, Data Mining and Financial Planning and Analysis.
What are the top questions asked in ZS Data Science Associate interview?

Some of the top questions asked at the ZS Data Science Associate interview -

  1. Types of supervised learning proble...read more
  2. Explain Logistic regressi...read more
  3. Explain Decision Tre...read more

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ZS Data Science Associate Interview Process

based on 4 interviews

Interview experience

4.3
  
Good
View more
Join ZS Where passion changes lives

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ZS Data Science Associate Salary
based on 70 salaries
₹12 L/yr - ₹24 L/yr
57% more than the average Data Science Associate Salary in India
View more details

ZS Data Science Associate Reviews and Ratings

based on 9 reviews

3.7/5

Rating in categories

4.0

Skill development

2.1

Work-life balance

4.0

Salary

3.9

Job security

3.5

Company culture

3.3

Promotions

3.1

Work satisfaction

Explore 9 Reviews and Ratings
Data Science Associate

Pune,

Gurgaon / Gurugram

+1

1-3 Yrs

₹ 7.5-17.5 LPA

Advanced Data Science Associate

Bangalore / Bengaluru

0-3 Yrs

Not Disclosed

Advanced Data Science Associate

Pune

0-3 Yrs

Not Disclosed

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