TTEC India Data Analyst Interview Questions and Answers

Aptitude test on reasoning and problem solving

Q1. What is list and tuple
Ans. 
List and tuple are both data structures in Python. Lists are mutable, ordered collections of items, while tuples are immutable, ordered collections.
• List is mutable, meaning its elements can be changed after creation

• Tuple is immutable, meaning its elements cannot be changed after creation

• List is defined using square brackets [], while tuple is defined using parentheses ()

• Example of list: my_list = [1, 2, 3]

• Example of tu
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Q2. How tableau works
Ans. 
Tableau is a data visualization tool that helps users create interactive and shareable dashboards and reports.
• Tableau connects to various data sources such as Excel, SQL databases, and cloud services.

• Users can drag and drop fields to create visualizations like charts, graphs, and maps.

• Tableau allows for interactive filtering and drilling down into data for deeper insights.

• Users can create dashboards and stories to pres...read more
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