From the Venn diagram in the image, we can see which students studied on Saturday, Sunday, both days, or neither.

• Studied Saturday: Hanna, Anya, Alan
• Studied Sunday: Brian, Mary, Taylor
• Studied Both Saturday and Sunday: Anya, Alan
• Studied Neither: Brad (outside both circles)

Thus, the student who studied neither Saturday nor Sunday is:

Answer: Brad

Would you like more details or explanations?

Here are some related questions to further your understanding:

1. How many students studied only on Sunday?
2. Which students studied only on Saturday?
3. Who studied on both Saturday and Sunday?
4. If another student had studied only on Saturday, how would the Venn diagram change?
5. Can you find the total number of students from the Venn diagram?

Tip: When analyzing Venn diagrams, always check the overlap sections to understand which items belong to both categories.