In a presentation, it's crucial to provide context and credibility to the data being presented. The piece of information that must be included with the graphic is its publisher and date of publication. This information helps the audience verify the source of the data and assess its reliability.
While other information such as Khaled's full name and grade in school, several sentences describing the chart, and a photo to help illustrate the chart might add additional context or visual appeal, the publisher and date of publication are essential for ensuring the data's credibility and accuracy.
