Using it's formula, it is found that the relative frequency of people who strongly disagree with the statement is 22.7%.
A relative frequency is given by the number of desired outcomes divided by the number of total outcomes.
In this problem:
Hence, the relative frequency is:
[tex]f = \frac{68}{300} = 0.227[/tex]
0.227 x 100% = 22.7%.
You can learn more about relative frequency at https://brainly.com/question/23359601