Based on your query, Canva seems to be a great fit for your needs. It's an online graphic design tool that allows you to create visually engaging educational content, including graphs from data sets.

Here's how Canva can help you:

1. Graph Creation: Canva allows you to create graphs and charts for data visualization. This feature aligns perfectly with your need to display graphs from data sets.

2. User-Friendly Platform: With its drag-and-drop feature, Canva makes it easy for users of all skill levels to create visually appealing content. This means you can focus on the data and not worry about the design aspect.

3. Integration with Classroom Tools: Canva integrates with Google Classroom, Microsoft Teams, Schoology, D2L, and Blackboard. This makes it easy to share your graphs and other content with students.

4. Free Access for Educators and Students: Canva for Education is freely available to all educators and students, providing access to the same features as a Canva Pro account without the cost.

In summary, Canva provides a user-friendly platform for creating and sharing graphs from data sets. Its integration with classroom tools and free access for educators and students make it a cost-effective solution for your needs.