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Blue Yonder Data Science Consultant Interview Questions and Answers

Updated 11 Jan 2025

Blue Yonder Data Science Consultant Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Explain any one ML model to a non tech stakeholder?

Data Science Consultant Jobs at Blue Yonder

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Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Nov 2024. There were 3 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. Basicn details to check for qualifications
Round 2 - Technical 

(1 Question)

  • Q1. About my projects
Round 3 - Technical 

(1 Question)

  • Q1. More details about ML models
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(3 Questions)

  • Q1. About projects and then questions related to ML and DL. Mostly focused on DL part
  • Q2. What is the difference between Adam optimizer and Gradient Descent Optimizer?
  • Ans. 

    Adam optimizer is an extension to the Gradient Descent optimizer with adaptive learning rates and momentum.

    • Adam optimizer combines the benefits of both AdaGrad and RMSProp optimizers.

    • Adam optimizer uses adaptive learning rates for each parameter.

    • Gradient Descent optimizer has a fixed learning rate for all parameters.

    • Adam optimizer includes momentum to speed up convergence.

    • Gradient Descent optimizer updates parameters b...

  • Answered by AI
  • Q3. When to use Relu and when not?
  • Ans. 

    Use ReLU for hidden layers in deep neural networks, avoid for output layers.

    • ReLU is commonly used in hidden layers to introduce non-linearity and speed up convergence.

    • Avoid using ReLU in output layers for regression tasks as it can lead to vanishing gradients.

    • Consider using Leaky ReLU or Sigmoid for output layers depending on the task.

    • ReLU is computationally efficient and helps in preventing the vanishing gradient prob...

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Dec 2023. There was 1 interview round.

Round 1 - Technical 

(7 Questions)

  • Q1. Tell me about yourself
  • Q2. Tell me in details about your project. (Mainly the python related project)
  • Q3. Which ML algorithm did you use in your project?
  • Ans. 

    I used the Random Forest algorithm in my project.

    • Random Forest is an ensemble learning method that combines multiple decision trees to make predictions.

    • It is used for both classification and regression tasks.

    • Random Forest reduces overfitting and provides feature importance.

    • Example: I used Random Forest to predict customer churn in a telecom company.

  • Answered by AI
  • Q4. What is Sql? And what is a database?
  • Ans. 

    SQL is a programming language used for managing and manipulating relational databases. A database is a structured collection of data.

    • SQL is used to retrieve, insert, update, and delete data from a database.

    • A database is a software system that stores and organizes data in a structured manner.

    • SQL allows users to define the structure of a database, create tables, and establish relationships between tables.

    • Examples of data

  • Answered by AI
  • Q5. What do you understand by joins in sql?
  • Ans. 

    Joins in SQL are used to combine rows from two or more tables based on a related column between them.

    • Joins are used to retrieve data from multiple tables in a single query.

    • Common types of joins include inner join, left join, right join, and full outer join.

    • Joins are performed using the JOIN keyword and specifying the columns to join on.

    • Joins can be used to combine tables based on matching values or non-matching values.

    • ...

  • Answered by AI
  • Q6. Apply join in the above tables (Table was provided by the interviewer)
  • Q7. How many squares are their in a chess box? (Aptitude question)

Interview Preparation Tips

Topics to prepare for Wolters Kluwer Data Science Intern interview:
  • Python
  • Machine Learning
  • Natural Language Processing
  • MySQL
  • Algorithms
Interview preparation tips for other job seekers - The interview was quite hard for me. If you want to prepare you should have good knowledge about python, pandas, ml and nlp. (Hands on experience is what matters most to clear this interview).

Skills evaluated in this interview

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Company Website and was interviewed in Oct 2024. There was 1 interview round.

Round 1 - Coding Test 

I was told about the screening round and the interviewer came with bunch of coding questions which In my opinion I did good. But got rejected.

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Dec 2023. There were 3 interview rounds.

Round 1 - Coding Test 

Standard question from sql and python in hackerrank

Round 2 - Technical 

(2 Questions)

  • Q1. Reverse a linked list
  • Ans. 

    Reverse a linked list by changing the direction of pointers

    • Start with three pointers: current, previous, and next

    • Iterate through the linked list, updating pointers to reverse the direction

    • Return the new head of the reversed linked list

  • Answered by AI
  • Q2. Question based on joins and subquery
Round 3 - HR 

(2 Questions)

  • Q1. More question about project
  • Q2. What do you know about genAI

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep it simple and be honest

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Asked about some machine learning concepts like NLP, TensorFlow etc
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Tell me about your self
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Referral and was interviewed before May 2023. There were 4 interview rounds.

Round 1 - Aptitude Test 

180 mins of online test with camera ON. Major topics include Excel, Aptitude, Python, Statistics and Case Study

Round 2 - Technical 

(2 Questions)

  • Q1. Explain Apriori Method
  • Ans. 

    Apriori method is a popular algorithm for frequent itemset mining in data mining.

    • Used for finding frequent itemsets in transactional databases

    • Based on the concept of association rule mining

    • Involves generating candidate itemsets and pruning based on support threshold

    • Example: If {milk, bread} is a frequent itemset, then {milk} and {bread} are also frequent

  • Answered by AI
  • Q2. Explain train-test in Scikit learn
  • Ans. 

    Train-test split is a method used to divide a dataset into training and testing sets for model evaluation in Scikit learn.

    • Split the dataset into two subsets: training set and testing set

    • Training set is used to train the model, while testing set is used to evaluate the model's performance

    • Common split ratios are 70-30 or 80-20 for training and testing sets

    • Example: X_train, X_test, y_train, y_test = train_test_split(X, y,

  • Answered by AI
Round 3 - One-on-one 

(2 Questions)

  • Q1. Explain about projects in current company
  • Q2. Why do you want to move to an individual contributor role from a managerial position
Round 4 - One-on-one 

(2 Questions)

  • Q1. Why do you want to join Wolters Kluwer?
  • Q2. Discussion around analytics and managerment reporting deliverables in current org.

Interview Preparation Tips

Topics to prepare for Wolters Kluwer Data Scientist interview:
  • Advanced Excel
  • Python
  • Power Bi
  • Pivot Table
Interview preparation tips for other job seekers - You must be an advanced Excel user and decent knowledge of Python.

Skills evaluated in this interview

Interview Questionnaire 

4 Questions

  • Q1. Class imbalance
  • Q2. Auditing concepts
  • Q3. Classification problems
  • Q4. Python, excel and SQL

Blue Yonder Interview FAQs

How many rounds are there in Blue Yonder Data Science Consultant interview?
Blue Yonder interview process usually has 1 rounds. The most common rounds in the Blue Yonder interview process are Technical.
How to prepare for Blue Yonder Data Science Consultant 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 Blue Yonder. The most common topics and skills that interviewers at Blue Yonder expect are SQL, Operations Research, Data Collection, Data Mining and Machine Learning.

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Blue Yonder Data Science Consultant Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more
Join Blue Yonder Innovative supply chain solutions.

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Blue Yonder Data Science Consultant Salary
based on 13 salaries
₹8 L/yr - ₹28.4 L/yr
14% less than the average Data Science Consultant Salary in India
View more details
Sr. Data Science Consultant -2

Bangalore / Bengaluru

5-10 Yrs

Not Disclosed

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