The mode of a set of data is the value that appears most frequently. In Jhonny's list, we can count the occurrences of each state:
- Texas: 4 occurrences
- California: 2 occurrences
- Florida: 3 occurrences
- New York: 1 occurrence
- Ohio: 1 occurrence
- Illinois: 1 occurrence
- Louisiana: 1 occurrence
From this count, Texas appears the most frequently with 4 occurrences. Therefore, the mode of the data is:
Texas