S&P Global Data Analyst Intern Interview Questions and Answers

Q1. Tell me about yourself
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I am a Senior Data Analyst with 5+ years of experience in analyzing complex data sets and providing actionable insights.
• 5+ years of experience in data analysis

• Proficient in statistical analysis and data visualization tools such as Python, R, and Tableau

• Strong problem-solving skills and ability to communicate findings to non-technical stakeholders
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Q2. Asked about recent project
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Q3. Types of join in sql
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Types of join in SQL include inner join, outer join, left join, right join, and full join.
• Inner join: Returns rows when there is a match in both tables

• Outer join: Returns all rows when there is a match in one of the tables

• Left join: Returns all rows from the left table and the matched rows from the right table

• Right join: Returns all rows from the right table and the matched rows from the left table

• Full join: Returns ro
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Q4. Case when statement questions
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DSA and ML, AI, Coding question

Q1. Case study which was easy
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Q1. In depth questions on ML
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Q1. Bio activities example
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Q2. Adverse drug reaction
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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.

Q1. Explain the Project undertaken during the research and follow-up questions
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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 Python code. Write SQL query to retrieve t...read more
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Answering questions related to data science concepts and techniques.
• Recall is the ratio of correctly predicted positive observations to the total actual positives. Precision is the ratio of correctly predicted positive observations to the total predicted positives.

• To reduce variance in an ensemble model, techniques like bagging, boosting, and stacking can be used. Bagging involves training multiple models on different ...read more
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Q1. Gen AI projects
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Q2. Architecture of projects I worked
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2hrs - sections include aptitude, machine learning, deep learning and two easy python coding questions

Q1. Resume scrutiny with projects and internships
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Q2. How to measure 45 mins duration using two identical wires
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Q3. Partition a round cake into eight equal parts within three cuts
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Q4. 10 coins puzzle (5 heads up and 5 tails up)
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It was MCQ in simple aptitude, python and SQL questions

Q1. Python coding and explaination
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Q2. SQL coding and explaination
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Q1. Case study based on data understanding
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Q1. Behavioural and questions from my resume
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