POWER BI MASTERCLASS QUIZ

What is Power BI?

• • An email platform

• • A business analytics tool by Microsoft

• • A programming language

• • A social media platform

What is the main difference between data analytics and data analysis?

• • There is no difference; the terms are interchangeable

• Data analytics focuses on data modeling, while data analysis focuses on visualization

• • Data analytics involves examining data to draw conclusions, while data analysis involves cleaning and transforming data

• • Data analysis is only performed by machines, whereas data analytics is done by humans

Which of the following is NOT a step in data processing?

• • Data collection

• • Data transformation

• • Data governance

• • Data analysis

What is the purpose of data visualization?

• • To make data harder to understand

• • To confuse users

• • To represent data in graphical format for easier understanding

• • To hide insights within the data

Which of the following is NOT a type of data visualization?

• • Bar chart

• • Line chart

• • Data table

• • Pie chart

Which Power BI chart is suitable for comparing values across categories?

• • Line chart

• • Pie chart

• • Bar chart

• • Scatter plot

What type of analysis involves predicting future trends based on historical data?

• • Descriptive analysis

• • Diagnostic analysis

• • Predictive analysis

• • Prescriptive analysis

Why should you use Power BI over Excel for data analysis?

• Power BI is free, while Excel requires a subscription

• • Power BI offers more advanced data visualization and analysis capabilities

• • Excel is faster and more efficient

• • Power BI does not support data sharing

What is the primary function of Power Query in Power BI?

• • Data visualization

• • Data transformation and preparation

• • Data analysis

• • Data modeling

What does a data model represent in Power BI?

• • The physical storage of data

• • The relationships between tables of data

• • The process of data analysis

• • The type of data visualizations used