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ZS Data Science Associate Interview Questions and Answers for Experienced
ZS Data Science Associate Interview Experiences for Experienced
2 interviews found
Anonymous
Selected
I applied via Referral and was interviewed in Mar 2024. There were 3 interview rounds.
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.
It was a technical discussion with questions from statistics, my previous projects and so on.
(2 Questions)
- Q1. It was general HR questions.
- Q2. General answers
Selected
I applied via Campus Placement and was interviewed before Apr 2023. There were 3 interview rounds.
Around 30 MCQs on the Aptitude test plus 2 basic coding questions.
(1 Question)
- Q1. I was asked to give a short presentation on any ML project I worked on and then follow-up questions
(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)
- 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...
- 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...
- Q4. Asked 2 puzzles from InterviewBit.
Interview Preparation Tips
- Machine Learning
- Python
Skills evaluated in this interview
Data Science Associate Jobs at ZS
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I applied via Referral and was interviewed before Mar 2021. There were 2 interview rounds.
(1 Question)
- Q1. Questions based on SCM
Interview Preparation Tips
I applied via Company Website and was interviewed in Oct 2020. There were 7 interview rounds.
Interview Questionnaire
1 Question
- Q1. Technical Questions and scenario based questions
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Dec 2020. There were 5 interview rounds.
Interview Questionnaire
1 Question
- Q1. Different Aspects of GST vis a vis erstwhile tax regime. Recent GST changes. GST related numerical questions.
- Ans.
GST has replaced multiple indirect taxes with a single tax. Recent changes include simplified return filing and reduced rates for certain items.
GST has replaced multiple indirect taxes like VAT, excise duty, service tax, etc.
It has simplified the tax structure and reduced the cascading effect of taxes.
Recent changes include the introduction of simplified return filing through GST Sahaj and GST Sugam.
GST rates have been...
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Jan 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Walkthrough a process and identity the risk and control at each step in the process
- Ans.
Identifying risks and controls in a process
Identify the process and its objectives
Identify the inputs, activities, and outputs of the process
Identify the risks associated with each step of the process
Identify the controls in place to mitigate the risks
Evaluate the effectiveness of the controls
Recommend improvements to the process and controls
Examples: Order-to-cash process, procurement process, hiring process
Interview Preparation Tips
I applied via Naukri.com and was interviewed in May 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. 1.what did you perform in your previous projects?2.what are the obstacles you faced while implementing your project?3.Questions specific to my skillset.4.sql queries.
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Oct 2020. There were 6 interview rounds.
Interview Questionnaire
1 Question
- Q1. What was biggest achievement in life so far?
Interview Preparation Tips
I applied via Company Website and was interviewed before Mar 2021. There was 1 interview round.
(2 Questions)
- Q1. Technical interview questions related to IFRS
- Q2. Tell me about your self.
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Sep 2021. There were 3 interview rounds.
I had a tax profile so basics of Tax, accounts, excel and simple english
(1 Question)
- Q1. Testing your technical knowledge
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ZS Data Science Associate Interview Process for Experienced
based on 2 interviews
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