Introduction to Power BI Visualizations

What is data visualization?

• Representation of data in a visual format

• Analyzing data using statistical methods

• Storing data in a database

• Converting data into text format

Which of the following is NOT a type of chart or graph in Power BI?

• Bar chart

• Pie chart

• Area chart

• Line and scatter plot

What is the purpose of a bar chart in Power BI?

• The purpose of a bar chart in Power BI is to represent hierarchical data.

• The purpose of a bar chart in Power BI is to display numerical data only.

• The purpose of a bar chart in Power BI is to visualize categorical data and compare values across different categories.

• The purpose of a bar chart in Power BI is to show trends over time.

Which type of chart is best suited for showing proportions of a whole in Power BI?

• line chart

• bar chart

• scatter plot

• pie chart

What is the purpose of a line chart in Power BI?

• The purpose of a line chart in Power BI is to visualize trends over time or show the relationship between two continuous variables.

• The purpose of a line chart in Power BI is to show the distribution of data.

• The purpose of a line chart in Power BI is to compare data across different categories.

• The purpose of a line chart in Power BI is to display categorical data.

What is the purpose of a scatter chart in Power BI?

• The purpose of a scatter chart in Power BI is to show the distribution of a single variable.

• The purpose of a scatter chart in Power BI is to display categorical data.

• The purpose of a scatter chart in Power BI is to compare data across different time periods.

• The purpose of a scatter chart in Power BI is to visualize the relationship between two numerical variables.

Which of the following is NOT a way to adjust axis scales in Power BI?

• Changing the data type of the axis

• Adjusting the axis range

• Changing the axis labels

• Adding a secondary axis

What is the purpose of using filters and slicers in Power BI?

• Filters and slicers in Power BI are used to change the color scheme of visualizations.

• Filters and slicers in Power BI are used to create custom calculations and measures.

• Filters and slicers in Power BI are used to export data to external sources.

• The purpose of using filters and slicers in Power BI is to control and interactively filter data in visualizations.