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BCG Data Analyst Intern Interview Questions and Answers for Freshers
1 interview found
Namita
Selected
I applied via Approached by Company and was interviewed before Jul 2023.
4 Interview Rounds
Aptitude Test Round
SQL, Machine Learning, Probability
Technical Round (2 Questions)
- Q1. Machine Learning Concepts Add Answer
- Q2. Gradient Descent Add Answer
One-on-one Round (2 Questions)
- Q1. Project Related Questions Add Answer
- Q2. Resume Based Questions Add Answer
HR Round (1 Question)
- Q1. Just sharing pleasantries Add Answer
Interview Preparation Tips
- Machine Learning
- SQL
- Python
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Interview questions from similar companies
Anonymous
I applied via LinkedIn and was interviewed in Jan 2024.
2 Interview Rounds
Aptitude Test Round
Time series and regression
Group Discussion Round
Queries and commands
Interview Preparation Tips
I applied via Referral and was interviewed in Jul 2023.
3 Interview Rounds
Resume Shortlist Round
Aptitude Test Round
There are 20 questions for apti round
Coding Test Round
10 coding with following output
Interview Preparation Tips
- Alteryx
- Advanced Excel
- SQL
2 Interview Rounds
Coding Test Round
It was on HackerRank
Case Study Round
Building a reward points model.
5 Interview Rounds
Resume Shortlist Round
Aptitude Test Round
Basic Mathematics, Statistics questions
Group Discussion Round
Share thoughts on one topic for in 1 minute
One-on-one Round (2 Questions)
- Q1. This is the technical round Add Answer
- Q2. 1. Regression analysis
2. R2 , adj R2
3. Statistics
4. Machine Learning Add Answer
One-on-one Round (1 Question)
- Q1. Basic Aptitude, quizzes, case study Add Answer
CodingNinjas
I was interviewed before Feb 2021.
3 Interview Rounds
Coding Test Round (1 Question)
Round duration - 90 Minutes
Round difficulty - Medium
The test is divided into 3 sections:
1. R coding.
2. Python coding. This section includes NumPy and scikit questions.
3. Statistics. This section includes T-tests, Anova regression distributions, and chi-square.
Each section has roughly 12 questions. The number of questions and difficulty is not set in advance, the test is adaptive. The more correct answers you give, the more the questions get tougher. The qualification does not depend upon the number of questions solved, rather on the difficulty level you can achive.
- Q1. Complete the Code Complete the function to find the value in a specified categorical column with the highest average of a specified numeric column. import panda...read more View Answers (1)
Face to Face Round (1 Question)
Round duration - 60 Minutes
Round difficulty - Hard
- Q1. Rotate matrix by 90 degrees You are given a square matrix of non-negative integers 'MATRIX'. Your task is to rotate that array by 90 degrees in an anti-...read more View Answers (3)
HR Round (1 Question)
Round duration - 30 Minutes
Round difficulty - Medium
- Q1. Basic HR Questions
How was your interview experience so far?
Why do you want to join us?
Are you a leader or a follower?View Answers (2)
Interview Preparation Tips
Tip 1 : Have in-depth knowledge of data-frame manipulation using Pandas
Tip 2 : Learn all NumPy array methods
Tip 3 : Good working knowledge about Scikit Learn
Tip 1 : Have 2-3 good projects on Machine Learning or Data Science preferably in Python.
Tip 2 : List only those skills which you are good at.
I applied via LinkedIn and was interviewed in Jan 2024.
2 Interview Rounds
Aptitude Test Round
Time series and regression
Group Discussion Round
Queries and commands
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed before Oct 2022.
2 Interview Rounds
Resume Shortlist Round
One-on-one Round (2 Questions)
- Q1. What do you use the separate lines in standard output in c++? View Answers (2)
- Q2. How do double linked list work? What is the difference between linked list and double linked list? View Answers (2)
Interview Preparation Tips
Anonymous B
1 Interview Round
Technical Round (2 Questions)
- Q1. About BER GPT and transformers Add Answer
- Q2. Natural language processing Add Answer
I applied via LinkedIn and was interviewed in Mar 2024.
1 Interview Round
Coding Test Round
More about python and SQL coding
Interview Preparation Tips
- Python
- SQL
Good knowledge of different data types
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