Graphs, Charts and Tables

Why is data visualization important?

• Data visualization does not help in identifying patterns in data.
• Data visualization is only important for entertainment purposes.
• Data visualization makes data analysis more complicated.
• It helps us grasp complex information quickly.

Which of the following is NOT a purpose of data visualization mentioned in the slide?

• Making presentations longer

• Enhancing data accuracy
• Highlighting trends
• Making informed decisions

What element is often used in data visualization to help people understand information quickly?

• Charts

• Text

• Footnotes

• Long paragraphs

Which of these is NOT a type of data visualization tool?

• Pie chart
• Bar graph
• Line graph
• Essays

What is the vertical axis on a graph often called?

• x-axis
• z-axis
• w-axis
• y-axis

Which color is the most popular among the children?

• red
• green
• yellow
• blue

How many children chose blue as their favorite color?

• 5
• 10
• 7
• 3

Draw a PIE CHART.

Which summer activity is the most popular according to the pie chart, and what percentage of people prefer it?

• • 8%

• • 13%

• • 27%

• • 33%

What is the combined percentage of people who prefer the activities represented by the blue and orange sections of the pie chart?

• 21%

• 25%

• • 30%

• 35%