Quest Global Data Analyst Interview Questions and Answers

Q1. A/B testing -comparison of 2 version of same application
Ans. 
A/B testing is a method used to compare two versions of an application to determine which one performs better.
• A/B testing involves randomly dividing users into two groups: one group receives version A of the application, while the other group receives version B.

• Key metrics are measured for each group to determine which version performs better.

• A statistically significant sample size is necessary to ensure reliable resul...read more
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Q2. Sql Queries-join
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Q1. Write a query to GETDATE
Ans. 
Query to retrieve the current date and time in SQL Server
• Use the GETDATE() function in SQL Server to retrieve the current date and time

• Example: SELECT GETDATE() AS CurrentDateTime;
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Q2. Write a python code
Ans. 
Python code to calculate the sum of all elements in a list
• Use the sum() function to calculate the sum of all elements in a list

• Ensure the list contains only numeric values for accurate calculation
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Q1. What is your expected salary
Ans. 
My expected salary is based on my experience, skills, and the industry standard for Data Analyst roles.
• Consider my years of experience in data analysis

• Research industry standards for Data Analyst salaries

• Factor in my skills and qualifications relevant to the role

• Be open to negotiation based on the overall compensation package
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Tableau interview questions

Q1. Analytics related questions
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Q2. Linear regression
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Tableau case study was given.

Q1. Data analyst basic questions.
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Q1. Salary and joining date
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Basic Maths and aptitude questions

Q1. Interview cancelled and no response
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Q1. Self introduction
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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
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