Given the context of using statistical data in a presentation about climate change, it is crucial to ensure the source's reliability and credibility. The piece of information that must be included with the graphic is its publisher and date of publication. Here's a detailed step-by-step rationale:
1. Credibility and Reliability: Including the publisher and date of publication establishes the credibility of the data. It signifies that the data comes from a reliable source and makes it easier for the audience to verify the information.
2. Context and Relevance: The date of publication provides context regarding the timeliness and relevance of the data. Climate change statistics can vary significantly over time, so knowing when the data was collected is crucial for its interpretation.
3. Single Most Critical Detail: While other pieces of information like Khaled's full name and grade or several sentences describing the chart might add context or engage the audience further, they do not directly affirm the data's authenticity and reliability. A photo could help illustrate the chart and make the presentation more engaging, but it is not as essential as validating the data source.
Therefore, Khaled should include the publisher and date of publication on the graphic to ensure his audience can trust and verify the data.
