Sutherland Global Services Data Scientist Interview Questions and Answers

They gave a span of 3 days to build an AI-powered webapp

Q1. How would you go about learning a new skill
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Q2. Experience in cloud technologies
Ans. 
I have experience working with cloud technologies such as AWS, Azure, and Google Cloud Platform.
• Experience in setting up and managing virtual machines, storage, and networking in cloud environments

• Knowledge of cloud services like EC2, S3, RDS, and Lambda

• Experience with cloud-based data processing and analytics tools like AWS Glue and Google BigQuery
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Q1. Tell me about yourself
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Q2. Project details and challenges faced in the project
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Developed a predictive model for customer churn in a telecom company
• Collected and cleaned customer data from various sources

• Performed exploratory data analysis to identify key factors influencing churn

• Built and fine-tuned machine learning models to predict customer churn

• Challenges included imbalanced data, feature engineering, and model interpretability
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Q1. Tell me about your self?
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Q2. What is maths and stats
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Maths and stats refer to the study of mathematical concepts and statistical methods for analyzing data.
• Maths involves the study of numbers, quantities, shapes, and patterns.

• Stats involves collecting, analyzing, interpreting, and presenting data.

• Maths is used to solve equations, calculate probabilities, and model real-world phenomena.

• Stats is used to make informed decisions, draw conclusions, and test hypotheses.

• Both ma...read more
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Confusion matrix what are your job rolls explain me Gradient boosting algorithm?

Q1. 1. Basics of Python 2. Basics of ML like supervised and unsupervised learning
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Bulb and switch puzzle

Rope burning and length question

Q1. Why you want to join optum
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Q1. Why do you want to join kyndryl?
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Q2. Goals and ambitions towards kyndryl?
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Basic DP, Array Questions

Q1. Resume Walkthrough and Discussion, Medium level coding questions
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Q1. Discussion with Manager
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Q1. Normal HR round
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Q1. What is supervised learning?
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Supervised learning is a type of machine learning where the algorithm learns from labeled data to make predictions or decisions.
• Supervised learning requires labeled data, where the input and output variables are known.

• The algorithm learns from the labeled data to make predictions or decisions on new, unseen data.

• Examples include classification, regression, and prediction tasks.

• Popular algorithms include decision trees,
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Q2. Questions related past profile
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