GMR Group Data Analyst Intern Interview Questions and Answers

General apti (maths) + english

Q1. Introduce yourself
Ans. 
I am a data analyst with 5 years of experience in analyzing and interpreting complex data sets.
• Experienced in using statistical tools such as R and Python

• Proficient in data visualization techniques using Tableau

• Skilled in identifying trends and patterns in data to drive business decisions
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Q2. You had 100% marks in 10th but only 65% in 12th. why what happened
Ans. 
Different academic environments and personal growth led to a change in performance.
• Transition from 10th to 12th grade involved different subjects and teaching styles

• Increased workload and higher difficulty level in 12th grade may have impacted performance

• Personal factors such as motivation, study habits, or external circumstances could have played a role

• Focus on extracurricular activities or other interests may have di
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Q1. What are joins and its types?
Ans. 
Joins are used to combine rows from two or more tables based on a related column between them.
• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• INNER JOIN returns rows when there is at least one match in both 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 ...read more
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Q2. What are aggregate functions?
Ans. 
Aggregate functions are functions in databases that perform a calculation on a set of values and return a single value.
• Aggregate functions are used to perform operations on a group of rows and return a single result.

• Common aggregate functions include SUM, AVG, COUNT, MIN, and MAX.

• For example, SUM function calculates the total of a column, AVG calculates the average, COUNT counts the number of rows, MIN finds the minimu
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Q1. Coding questions in python eda part
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Q1. Where do u see in next 5 years
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30 questions and time was approx. 45 min to 60 min

There were some basic as well as some high level questions