Mercedes-Benz Research and Development India Data Analyst Interview Questions and Answers

Q1. General discussion of background and technical interview availability.Expected Salary,current salary
Add your answer

Q1. Tell me about yourself.
Add your answer
Q2. Which project have you recently worked on?
Add your answer
Q3. How much experience do you have in python and R?
Ans. 
I have 3 years of experience in Python and 2 years in R.
• 3 years of experience in Python, used for data cleaning, analysis, and visualization.

• 2 years of experience in R, utilized for statistical analysis and data modeling.

• Proficient in using libraries like pandas, numpy, matplotlib in Python and ggplot2, dplyr in R.
Answered by AI
Add your answer
Q4. What project have you worked on in R programming?
Ans. 
I have worked on a project in R programming analyzing customer churn for a telecommunications company.
• Used R programming to clean and analyze customer data

• Created visualizations to identify patterns and trends in customer behavior

• Built predictive models to forecast customer churn rates

• Collaborated with stakeholders to present findings and recommendations
Answered by AI
Add your answer
Q5. Which databases have you worked on?
Ans. 
I have worked on databases such as MySQL, SQL Server, and MongoDB.
• MySQL

• SQL Server

• MongoDB
Answered by AI
Add your answer
Q6. Given a list of strings, find the string matching a particular pattern.
Ans. 
Find a string matching a specific pattern in a list of strings.
• Use regular expressions to search for the pattern in each string.

• Iterate through the list of strings and apply the pattern matching logic.

• Return the string that matches the pattern, if found.

• Example: List of strings - ['apple', 'banana', 'cherry'], pattern - 'ba' would return 'banana'.
Answered by AI
Add your answer
Q7. Given a list of dictionary, find the dictionary which has the count of key highest among all the dictionaries. eg: [{a:5},{b:2}.......] Now here 5 is the highest key value so it should be printed.
Ans. 
Find the dictionary with the highest count of keys in a list of dictionaries.
• Iterate through the list of dictionaries and keep track of the dictionary with the highest count of keys.

• Use a loop to count the keys in each dictionary and compare it with the current highest count.

• Return the dictionary with the highest count of keys.
Answered by AI
View 1 more answer
Q8. Do you have experience in converting python scripts to R?
Ans. 
Yes, I have experience in converting Python scripts to R.
• I have converted several Python scripts to R for data analysis projects.

• I am proficient in both Python and R programming languages.

• I can provide examples of projects where I have successfully converted Python scripts to R.
Answered by AI
Add your answer

Q1. Questions related to projects
Add your answer

Q1. Questions related to projects and some scenario based questions
Add your answer

Q1. Self introduction
Add your answer
Q2. What is mean by aml
Ans. 
AML stands for Anti-Money Laundering, which refers to a set of laws, regulations, and procedures designed to prevent criminals from disguising illegally obtained funds as legitimate income.
• AML is a regulatory framework used by financial institutions to detect and prevent money laundering activities.

• It involves monitoring customer transactions and reporting any suspicious activity to authorities.

• Examples of AML measures...read more
Answered by AI
Add your answer

Coding test for all the student attending the first round, give your best practice every day all the best in your interview

Q1. What are your interest
Ans. 
My interests include data analysis, problem-solving, and continuous learning.
• Data analysis

• Problem-solving

• Continuous learning
Answered by AI
Add your answer
Q2. Java related question
Add your answer

Q1. Basis HR questions
Add your answer
Q2. Answer confidently
Add your answer

Q1. Based on previous work
Add your answer
Q2. Answer correctly what you had worked in your previous work
Add your answer

Q1. Questions were based on the Pandas.
Add your answer

30 multiple choice questions
There were many puzzles ,some english ,comp sci related questions
English-arrange sentence in order ,ram,dns server,preposition,smallest unit bit,modem,repeater,lan ,search engine

Q1. What is dns ,www,http,domain name,ip address,html
Ans. 
DNS, WWW, HTTP, domain name, IP address, and HTML are all fundamental components of the internet.
• DNS (Domain Name System) translates domain names into IP addresses.

• WWW (World Wide Web) is a system of interlinked hypertext documents accessed via the internet.

• HTTP (Hypertext Transfer Protocol) is the protocol used for transmitting data on the web.

• A domain name is the human-readable address used to access websites (e.g. g...read more
Answered by AI
Add your answer
Q2. About yourself,family ,would you stay for a year
Add your answer