GMR Group Data Analyst Intern Interview Questions and Answers for Freshers

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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30 questions and time was approx. 45 min to 60 min

There were some basic as well as some high level questions

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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