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HARMAN Data Analyst Interview Questions and Answers
HARMAN Data Analyst Interview Experiences
2 interviews found
Anonymous
I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.
It was simple but lengthy
(2 Questions)
- Q1. Tell me about yourself
- Ans.
I am a data analyst with a strong background in statistics and data visualization.
Graduated with a degree in Statistics
Proficient in programming languages like Python and R
Experience in analyzing large datasets and creating data visualizations
Strong problem-solving skills
- Q2. About resume and technical
Interview Preparation Tips
1 hour baisc on general aptitude
Interview Preparation Tips
Data Analyst Jobs at HARMAN
Interview questions from similar companies
Divya Shree
(2 Questions)
- Q1. What is join in sql
- Ans.
Join in SQL is used to combine rows from two or more tables based on a related column between them.
Join is used to retrieve data from multiple tables based on a related column
Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
- Q2. What is primary key
- Ans.
Primary key is a unique identifier for each record in a database table.
Primary key ensures each record in a table is uniquely identified
It must contain unique values and cannot have NULL values
Primary key can be a single column or a combination of columns
Example: 'ID' column in a 'Users' table can be a primary key
Skills evaluated in this interview
Skil set for My relevant job update
Communication discussion
(2 Questions)
- Q1. About My profile and knowledge
- Q2. About My attitude and experience
(1 Question)
- Q1. Excel formula and macro MS word and PowerPoint dashboard advanced Excel and power bi
Interview Questionnaire
3 Questions
- Q1. Rate yourself in ADVANCED EXCEL, AND SQL
- Ans.
I rate myself 8/10 in Advanced Excel and 9/10 in SQL.
Advanced Excel: proficient in pivot tables, VLOOKUP, macros, and data visualization
SQL: skilled in writing complex queries, joins, subqueries, and stored procedures
Experience in using Excel and SQL together to analyze large datasets
- Q2. How to Work with dynamic data, how to remove duplicate data or fix the data
- Ans.
To work with dynamic data, remove duplicates and fix errors, use data cleaning techniques.
Use software tools like OpenRefine or Excel to clean data
Identify and remove duplicate data using unique identifiers
Fix errors by standardizing data formats and using regular expressions
Use data validation to ensure accuracy and completeness
Create a data cleaning plan and document all changes made
Test the cleaned data to ensure it
- Q3. Difference between formula and a function
- Ans.
Formula is a mathematical expression while function is a pre-built formula that performs a specific task.
Formula is a combination of mathematical operators and values used to calculate a result.
Function is a pre-built formula that performs a specific task, such as finding the average of a range of numbers.
Formulas can be customized and modified, while functions are fixed and cannot be changed.
Examples of functions incl
Interview Preparation Tips
Skills evaluated in this interview
I applied via Walk-in and was interviewed in Mar 2024. There was 1 interview round.
(2 Questions)
- Q1. Introduction about our self
- Ans.
I am a data analyst with 5 years of experience in analyzing and interpreting complex data sets to drive business decisions.
I have a strong background in statistical analysis and data visualization techniques.
Proficient in SQL, Python, and Tableau for data manipulation and reporting.
Experience in developing predictive models and conducting A/B testing to optimize marketing strategies.
- Q2. Complete discussion about projects
Interview Preparation Tips
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. SALARY EXPECTATION AND CURRENT
- Q2. NOTICE PERIOD FROM LAST ORG
I applied via LinkedIn and was interviewed before Apr 2022. There were 2 interview rounds.
The diagonals AC and BD of a cyclic quadrilateral ABCD intersect each other at the point P. Then, it is always true that
(2 Questions)
- Q1. Nding Now DSA Data Structures Algorithms Interview Preparation Data Science Topic-wise Practice C C++ Java JavaScript Python Competitive Programming Machine Learning Aptitude Write & Earn Web Development P...
- Q2. Everything you need to know about the job-search process itself.nding Now DSA Data Structures Algorithms Interview Preparation Data Science Topic-wise Practice C C++ Java JavaScript Python Competitive Prog...
Interview Preparation Tips
I applied via AmbitionBox and was interviewed in Dec 2024. There were 2 interview rounds.
Aptitude test for selection.
(2 Questions)
- Q1. What is your understanding of data analytics?
- Ans.
Data analytics involves analyzing raw data to draw conclusions and make informed decisions.
Data analytics involves collecting, processing, and analyzing data to identify trends and patterns.
It helps businesses make data-driven decisions and improve performance.
Techniques used in data analytics include data mining, machine learning, and statistical analysis.
Examples of data analytics in action include predicting custome...
- Q2. What is the significance of data analytics in analyzing and visualizing data?
- Ans.
Data analytics is crucial for extracting insights and patterns from data, and visualizing them in a meaningful way.
Data analytics helps in identifying trends, patterns, and correlations within large datasets.
It enables businesses to make informed decisions based on data-driven insights.
Visualizations such as charts, graphs, and dashboards make complex data easier to understand and interpret.
Data analytics can uncover h...
Interview Preparation Tips
I applied via Approached by Company and was interviewed in Jan 2023. There were 3 interview rounds.
These are the general questions which we had studied upto 10th and likely to be coding ....i had never attempted to this aptitude test...just read by my seniors of btech
Coding is the favorite part of my life.....i started...no ..no..my coach started to taught me from C...then to C++, in the final year I'm impressed on Java and python for data science and machine learning......and much more interesting was IOT ....the world much better and with IOT without effecting the species by 5G and 4G networks
Interview Preparation Tips
- Data Structures
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HARMAN Data Analyst Interview Process
based on 2 interviews
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