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C5i Data Scientist Interview Questions, Process, and Tips
Top C5i Data Scientist Interview Questions and Answers
- Q1. 4. What is the difference between Linear Regression and Logistic Regression?
- Q2. 2. Why did you choose Data Science Field?
- Q3. 6. Can we use confusion matrix in Linear Regression?
3 C5i Data Scientist Interview Experiences
14 questions found
rustam garg
I applied via Recruitment Consultant and was interviewed in Dec 2018.
3 Interview Rounds
Interview Questions
- Q1. 1. Why Machine Learning?
View Answers (1)
- Q2. 2. Why did you choose Data Science Field?
View Answers (1)
- Q3. 3. What about Linear Regression? (Theory Part)
Add Answer
- Q4. 4. What is the difference between Linear Regression and Logistic Regression?
View Answers (2)
- Q5. 5. Explain Confusion Matrix?
View Answers (1)
- Q6. 6. Can we use confusion matrix in Linear Regression?
View Answers (1)
- Q7. 7. Explain KNN Algorithm?
View Answers (1)
- Q8. 8. Explain Random Forest and Decision Tree?
View Answers (1)
- Q9. 9. One Tricky Mathematical Question !
Add Answer
- Q10. 10. What are the Projects you have done?
View Answers (1)
- Q11. I didn't get shortlisted for 2nd Round.
Add Answer
Interview Preparation Tips
They will ask you about the projects you have mentioned in resume and all the questions will be from that part.
Skills: Communication, Body Language, Problem Solving, Analytical Skills
Duration: 1-4 weeks
Skills evaluated in this interview
Kushal Kulkarni
I was interviewed in May 2024.
2 Interview Rounds
Assignment Round
Questions based on ML,PYTHON, DATA VISUALIZATION
Technical Round (2 Questions)
- Q1. What is TF-IDF IN NLP View Answers (1)
- Q2. Python coding questions based on list Add Answer
Interview Preparation Tips
Get interview-ready with top interview questions
Anonymous
2 Interview Rounds
Assignment Round
ML,DL,Python,NLP,Data VIsualization
Technical Round (1 Question)
- Q1. Explain TF-IDF in NLP View Answers (1)
Data Scientist Jobs at C5i
Interview questions from similar companies
Selected
I applied via Referral and was interviewed in May 2024.
3 Interview Rounds
Coding Test Round
I was asked to write SQL queries for 3rd highest salary of the employee, some name filtering, group by tasks.
Python code to find the index of the maximum number without using numpy.
One-on-one Round (1 Question)
- Q1. Explain the Project undertaken during the research and follow-up questions Add Answer
Technical Round (1 Question)
- Q1. Write pandas query to separate the names as first and last name from the full name. Drop the duplicate columns and also the missing values. Write output for the...read more View Answers (1)
Interview Preparation Tips
- Python
- Pandas
- SQL
- Machine Learning
Skills evaluated in this interview
I applied via Company Website and was interviewed in Aug 2024.
1 Interview Round
One-on-one Round (2 Questions)
- Q1. Explain the RAG pipeline? View Answers (1)
- Q2. Explain Confusion metrics View Answers (1)
Skills evaluated in this interview
Selected
3 Interview Rounds
Aptitude Test Round
Basic aptitude question from rs aggarwal book.
Coding Test Round
Basic questions on python loops
Group Discussion Round
Try to put foeth yiur point as there will 13 people in a panel
Selected
I applied via Naukri.com and was interviewed in Oct 2023.
4 Interview Rounds
Coding Test Round
Sql, python, Statistics mcq, Aptitude test. These were medium level questions.
Technical Round (3 Questions)
- Q1. SQL and python, time complexity Add Answer
- Q2. Make 2 lists a=[1,2,3,4] b=[9,8,5,5,2,3,3,4,1,1,10,9,2,3,4,10,10,9,7,7,8] Write a program to remove duplicate of b and keep only those elements of b which are n...read more View Answers (2)
- Q3. SQL question
Remove duplicate from a table tab1 View Answers (2)
Case Study Round
Given 2 case studies on data science and asked different possibilities to improve the models.
How to work with imbalance dataset.
How to remove null values, what is features engineering.
What is PCA
What is the working of XGBOOST
Project discussion Round (1 Question)
- Q1. What was last project, tell me in detail.
There were different technical questions related to my project Add Answer
Interview Preparation Tips
All the metrics of evaluating a model.
Linear regression, logestic regression, random forest, decission tree, adaboost, Gradient boosting, XGb in detail.
Recall, precision roc_curve. Auc, f1 score, mse,mae, r2, adjusted r2 score.
Is it possible that r2 score appears in minus
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed before Mar 2022.
3 Interview Rounds
Resume Shortlist Round
Technical Round (3 Questions)
- Q1. Questions related to python basics. Add Answer
- Q2. Basic calculus to test math skills. Add Answer
- Q3. Machine learning metrics. Add Answer
HR Round (3 Questions)
- Q1. Policies, behavioral round. Add Answer
- Q2. Work culture and the selection process. Add Answer
- Q3. Discussion about previous employers and educational background. Add Answer
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Oct 2023.
2 Interview Rounds
Aptitude Test Round
The aptitude test was easy.just like usual aptitude questions like quants,verbal,reasoning etc....
One-on-one Round (1 Question)
- Q1. Second round was all about one on one video call interview where they will ask to record a video and send it.(managerial questions). Like, why do you need to jo...read more View Answers (1)
Selected
I applied via Referral and was interviewed in Mar 2024.
4 Interview Rounds
Aptitude Test Round
Test consisted 7 sections which lasted for more than a hour. There were questions related to coding , sql , analytical questions etc.
Coding Test Round
1 python coding questions and 2 Sql question
Case Study Round
2 case study question
HR Round (1 Question)
- Q1. This was the final round . Technical+HR . Add Answer
Interview Preparation Tips
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