ALTEN Data Scientist Interview Questions and Answers

Related to basic statistics, and case study on sample design

Q1. Explain the answers of case study on aptitude test
Add your answer
Q2. Sample design related questions
Add your answer

Q1. 1. Basics of Python 2. Basics of ML like supervised and unsupervised learning
Add your answer

Bulb and switch puzzle

Rope burning and length question

Q1. Why you want to join optum
Add your answer

Basic DP, Array Questions

Q1. Resume Walkthrough and Discussion, Medium level coding questions
Add your answer

Q1. Discussion with Manager
Add your answer

Q1. Normal HR round
Add your answer

Easy array questions.

Q1. Explain projects from resume.
Ans. 
Developed a machine learning model to predict customer churn for a telecom company.
• Used Python and scikit-learn to preprocess data and build the model

• Performed feature engineering to improve model performance

• Evaluated model using metrics like accuracy, precision, and recall
Answered by AI
Add your answer
Q2. Questions on image processing and computer vision.
Add your answer

Q1. Deep dive into your DS projects and implementation. Some questions about MLOPS and cloud exposure. Basic ML questions
Add your answer
Q2. Gradient descent Linear regression Time series questions Lightgbm and xgboost
Add your answer

Q1. Time series question on ARIMA , ML approach to time series
Add your answer

Q1. Conceptual Questions on SQL and Python
Add your answer

MCQS around aptitude and technical skills such as SQL, Python

Q1. Sql, Python, data science statistics
Add your answer