Michelin Senior Data Scientist Interview Questions and Answers

Q1. Volatile keyword in C
Ans. 
Volatile keyword in C is used to indicate that a variable's value may change unexpectedly.
• It is used to prevent compiler optimization

• It is commonly used in embedded systems programming

• It is not a substitute for proper synchronization mechanisms

• Example: volatile int *ptr; // pointer to volatile integer
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Q1. What will u do if u think u cant meet deadline
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Q1. Why are u joining Bosch
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Q1. Technical area skill level questions Testing on basic coding knowledge - familiar coding language Behavioral questions & test ones growth mindset
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Resume related questions

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Q2. DS questions, Easy level from leetcode.
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Q1. What is static constructor
Ans. 
Static constructor is a special type of constructor in a class that is called only once when the class is loaded into memory.
• Static constructor is used to initialize static data members of a class.

• It is automatically called by the .NET Framework when the class is loaded.

• Static constructor does not take any parameters.

• It is used to perform any necessary initialization before any instance of the class is created.
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Q2. What is solid principles
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SOLID principles are a set of five design principles that help make software designs more understandable, flexible, and maintainable.
• Single Responsibility Principle (SRP) - A class should have only one reason to change.

• Open/Closed Principle (OCP) - Software entities should be open for extension but closed for modification.

• Liskov Substitution Principle (LSP) - Objects of a superclass should be replaceable with objects o...read more
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Q1. Deep Dive into Power Bi projects Basic Sql queries Python certification if any Explain the projects with deep dive into analytics
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Basic qaunts, logical, excel

Q1. Sql, excel, tableau questions
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Q1. About yourself in detail
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Q2. Hr related questions, salary expectation, stregth, weakness,
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Q1. What is Etl
Ans. 
ETL stands for Extract, Transform, Load, a process for integrating and preparing data for analysis.
• Extract: Collecting data from various sources like databases, APIs, or flat files.

• Transform: Cleaning and converting data into a suitable format, e.g., changing date formats or aggregating data.

• Load: Storing the transformed data into a target database or data warehouse for analysis.

• Example: Extracting sales data from mult...read more
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Q2. What is data warehouse
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A data warehouse is a centralized repository for storing and analyzing large volumes of structured and unstructured data.
• Integrates data from multiple sources, such as databases, CRM systems, and external data feeds.

• Supports business intelligence activities, including reporting, data mining, and analytics.

• Uses ETL (Extract, Transform, Load) processes to prepare data for analysis.

• Examples include Amazon Redshift, Google...read more
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Q1. What is your expectations
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Q2. As per industry norms
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