Walmart Data Scientist Interview Questions – Updated 2023

Walmart Data Scientist Interview Questions – We interviewed a couple of folks working as a Data scientists at Walmart. According to them the interview will be quite technical in nature with a lot of emphasis on ML and Python. SQL questions are also asked(not more than 4-5). You can practice the questions below to get yourself familiar with Walmart Data Scientist Interview Questions

Role – Data Scientist
Location – Gurgaon, India


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Zomato Business Analyst Interview Questions

Round 1 – Technical

Topics covered – Coding

Mode of interview – Hackerrank
Duration – 45 Minutes
Level of Questions – Easy
A few questions from this round:

Print all the branches in a binary tree
Join two sorted arrays

Round 2 – Technical Round

Topics covered – probability and statistics and big data questions
Mode of interview – Hangout
Duration – 1 hour
Level of Questions – Medium
What is the difference between Gradient Boosting and Random Forest?
What are the different types of Sampling methods that you have used?
Explain the difference between bagged and boosting models.
What is cross entropy?
What is multi-collinearity, how do you fix it in a regression?
What is the significance of log odds?
Give some problems or scenarios where map-reduce concept works well  and where it doesn’t work.
Given a dataset having employee id and manager id find the employees who are also managers ?
A person is using search engine to find something, you know nothing about her/him, how do you come up with am algorithm that will predict what she/he needs after the user types only a few letters ?

Round 3- Technical
Topics- Machine learning
Mode of Interview- Hangout
Duration – 1 hour
Level of questions- Medium

A few questions from this round:

Let’s say we want to build a model to predict booking prices on Airbnb. Between linear regression and random forest regression, which model would perform better and why?
 Generally, what happens to bias & variance as we increase the complexity of the model?
What is the intuition behind F1 score?
Describe how you would build a model to predict Uber ETAs after a rider requests a ride.

Round 4 – HR 

Topics covered -Experience
Mode: Telephone Call
Duration – 1 hour
Level of Questions – Mostly on projects

Some questions on past projects, ability to lead a team and previous responsibilities were discussed.
Offer was released in 3-4 days after the Hiring Manager round

Walmart Data Scientist Interview Questions

The Data Monk services

We are well known for our interview books and have 70+ e-book across Amazon and The Data Monk e-shop page . Following are best-seller combo packs and services that we are providing as of now

  1. YouTube channel covering all the interview-related important topics in SQL, Python, MS Excel, Machine Learning Algorithm, Statistics, and Direct Interview Questions
    Link – The Data Monk Youtube Channel
  2. Website – ~2000 completed solved Interview questions in SQL, Python, ML, and Case Study
    Link – The Data Monk website
  3. E-book shop – We have 70+ e-books available on our website and 3 bundles covering 2000+ solved interview questions. Do check it out
    Link – The Data E-shop Page
  4. Instagram Page – It covers only Most asked Questions and concepts (100+ posts). We have 100+ most asked interview topics explained in simple terms
    Link – The Data Monk Instagram page
  5. Mock Interviews/Career Guidance/Mentorship/Resume Making
    Book a slot on Top Mate

The Data Monk e-books

We know that each domain requires a different type of preparation, so we have divided our books in the same way:

1. 2200 Interview Questions to become Full Stack Analytics Professional – 2200 Most Asked Interview Questions
2.Data Scientist and Machine Learning Engineer -> 23 e-books covering all the ML Algorithms Interview Questions
3. 30 Days Analytics Course – Most Asked Interview Questions from 30 crucial topics

You can check out all the other e-books on our e-shop page – Do not miss it


For any information related to courses or e-books, please send an email to nitinkamal132@gmail.com


Walmart Labs Data Analyst Questions – Updated 2022

Walmart Labs Data Analyst Interview Questions
Walmart Labs is an American subsidiary of Walmart in San Bruno, California. Their website earns revenue from advertising related to its categorization engine. The engine organizes the Internet into topic pages allowing users to explore the Web by topic, “presenting a dashboard of relevant videos, photos, news, commentary, opinion, communities and links to related topics”.
Walmart Labs Data Analyst Interview Questions

Walmart Data Analyst Questions

The following article comprises of a set of selected Walmart Labs Data Science Interview Questions.

You need to read and practice as much as possible from our portal in order to be prepared for interviews. This is just one out of thousands of questions that could be asked in any Data Science or Data Analyst interview

Round details are below

Round 1 – Telephonic Conversation
Round 2 – Walk-in/Face to Face
Round 3 – Project Analysis
Round 4 – Case Studies and Statistics
Round 5 – Hiring Manager + Project Discussion

The difficulty level of Questions

SQL – 9/10 – Solve the following 150 most asked SQL questions
R/Python – 7/10 Practice ~100 plus question
Statistics/ML – High on Statistics – Practice here
Case Study – You can expect exhaustive case studies, you can practice Here

The SQL Questions were more or less directly from the books like 2nd highest salary, the difference between left join and left outer join. A few questions on optimization of the queries like including filter condition in the subquery, adding a partition, etc.

Practicing the questions posted on The Data Monk will surely help in all the rounds of the interview at Walmart as it covers almost all types of questions possible in the domain.

The case study round is something where you need to put in a lot of effort. Walmart focuses too much on the candidate’s logical and analytical part. The case study will be focused on the e-commerce domain and will check your knowledge around the cart, buy-flow, customer churn, etc. We strongly recommend checking out the Case Study and Guesstimates Complete Playlist on Youtube. Also, if you

Below are a few questions that were asked about statistics and python.

Walmart Labs Interview Questions

Better Regression
Dictionary
Dice
Webpages
Missing Values
Disk Rotation
Predictors
Triggers
Table
Lottery Ticket

The Data Monk services

We are well known for our interview books and have 70+ e-book across Amazon and The Data Monk e-shop page . Following are best-seller combo packs and services that we are providing as of now

  1. YouTube channel covering all the interview-related important topics in SQL, Python, MS Excel, Machine Learning Algorithm, Statistics, and Direct Interview Questions
    Link – The Data Monk Youtube Channel
  2. Website – ~2000 completed solved Interview questions in SQL, Python, ML, and Case Study
    Link – The Data Monk website
  3. E-book shop – We have 70+ e-books available on our website and 3 bundles covering 2000+ solved interview questions. Do check it out
    Link – The Data E-shop Page
  4. Instagram Page – It covers only Most asked Questions and concepts (100+ posts). We have 100+ most asked interview topics explained in simple terms
    Link – The Data Monk Instagram page
  5. Mock Interviews/Career Guidance/Mentorship/Resume Making
    Book a slot on Top Mate

The Data Monk e-books

We know that each domain requires a different type of preparation, so we have divided our books in the same way:

1. 2200 Interview Questions to become Full Stack Analytics Professional – 2200 Most Asked Interview Questions
2.Data Scientist and Machine Learning Engineer -> 23 e-books covering all the ML Algorithms Interview Questions
3. 30 Days Analytics Course – Most Asked Interview Questions from 30 crucial topics

You can check out all the other e-books on our e-shop page – Do not miss it


For any information related to courses or e-books, please send an email to nitinkamal132@gmail.com