Teleperformance Senior Data Analyst Interview Questions and Answers

Q1. Spark architecture
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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
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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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Q1. Walk through your project?
Ans. 
Developed a predictive model to forecast sales based on historical data
• Collected and cleaned historical sales data

• Performed exploratory data analysis to identify trends and patterns

• Built and trained a machine learning model using regression techniques

• Evaluated model performance using metrics like RMSE and MAE
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Q2. Behavioral questions?
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Q1. Questions based on Advanced Excel like Vlookup, Index match, sumifs, pivot tables
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Q2. Behavioral questions
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Q1. Salary negotiation
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Power BI report for shoe case analysis.

Q1. Basic introduction about previous projects and skillsets.
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Q2. Related to Power BI, SQL
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SAS basic Programming questions

Q1. What questions can arise based on the projects mentioned in your resume?
Ans. 
Questions can arise about data sources, methodologies, insights gained, and impact of projects mentioned in resume.
• Data sources used in the projects

• Methodologies employed for data analysis

• Insights gained from the analysis

• Impact of the projects on decision-making or outcomes
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The first round consisted of a general assessment that included tests on artificial intelligence, machine learning, data science, English, and aptitude, followed by a face-to-face interview.

Medical knowledge based questions

Q1. General medical questions
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Q2. Antidiabetics , gerd, antihypertension,gout,bones,fracture
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Q1. Introducation salary expectation skills personality
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Be well prepared with Excel especially

Q1. How do you handle critical work situation?
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Q2. Team work, collaboration, managerial involvement
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Q1. How do you handle co-worker's task when given to you?
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Q2. Inform the manager and have a clear communication with the co worker on the progress and perquisites.
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