BizViz Technologies Data Analyst Interview Questions and Answers

It is nice to do work

It helps in understanding the 5

It helps a lot in company

Q1. How to do job in company?
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Q2. What I should do?
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Q3. How to do work?
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Q4. What should I do
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Q5. What is the goal?
Ans. 
The goal of a Data Analyst is to analyze data to extract valuable insights and make data-driven decisions.
• Identify trends and patterns in data

• Create visualizations to communicate findings

• Provide actionable recommendations based on data analysis
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Aptitude test for selection.

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...read more
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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...read more
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Q1. Basic of python , sql, pandas,niumpy
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Q1. Gave me a task to make web app for medical condition detection after clearing first round asked questions relted to it
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Q1. Introduction about our self
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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.
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Q2. Complete discussion about projects
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Dsa good to have Sql

Learn and study about Aptitude like Quantitative aptitude, verbal and reasoning. Practice more and attend more mock test

Q1. What is SQL ? What are the market trend
Ans. 
SQL is a programming language used for managing and manipulating relational databases.
• SQL stands for Structured Query Language.

• It is used to communicate with and manipulate databases.

• SQL can be used to create, modify, and retrieve data from databases.

• It is widely used in data analysis and data management roles.

• Some popular relational database management systems that use SQL include MySQL, Oracle, and SQL Server.
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KPI's for the ecommerce industries

Q1. Dense rank and row number differenxw
Ans. 
Difference between dense rank and row number
• Dense rank assigns the same rank to ties, while row number assigns a unique rank to each row

• Dense rank skips ranks when there are ties, while row number does not

• Dense rank is used to calculate percentiles, while row number is used for pagination
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Q2. Sql and nosql diff? Python functions
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