Data Visualization Quiz

What is data visualization?

• A method to store data securely

• The graphical representation of information and data

• The use of text to explain data

• A way to analyze data without visuals

What are the two main purposes of data visualization?

• Exploratory and explanatory data analysis

• Statistical and qualitative analysis

• Descriptive and predictive analysis

• Comparative and contrastive analysis

What does big data refer to?

• Small datasets that are easy to manage

• Data that is always accurate and reliable

• Data that is only collected from social media

• Extremely large datasets beyond traditional processing

Which of the following is NOT a characteristic of big data?

• Velocity

• Volume

• Variety

• Simplicity

What is a line chart primarily used for?

• Displaying proportions of a whole

• Showing trends over time

• Representing hierarchical data

• Visualizing relationships between two variables

Which type of chart is best for comparing different categories?

• Pie Chart

• Scatter Plot

• Line Chart

• Bar Chart

What does a heatmap use to represent data values?

• 3D graphics

• Text labels

• Shapes and sizes

• Color gradients

What is a common mistake to avoid while visualizing data?

• Using legends and annotations

• Creating interactive plots

• Using too many colors

• Using visuals when they are needed

What does the term 'exploratory data analysis' refer to?

• Storing data securely for future use

• Collecting data from various sources

• Presenting data findings to an audience

• Analyzing data to find hidden trends

Which tool is commonly used for data visualization?

• Tableau

• Adobe Photoshop

• Microsoft Word

• Notepad