The Relative Frequency is 
. The correct answer is C) 0.25
To find the relative frequency of students who studied Independently for more than 2 hours, you can use the following formula:
Relative Frequency= 

Looking at the table, the number of students who studied Independently for more than 2 hours is 4. The total number of students who studied Independently is 
12+4=16.
Now, apply the formula:
Relative Frequency= 

Simplify the fraction:
Relative Frequency= 

So, the answer is 
 or 0.25.
Therefore, the correct answer is:C) 0.25