I believe the answer is 5 because if however many times you can multiply 2.5 into 12.5, you get the answer of 5.
Maybe c or A not completely sure try looking for the one you think it is and try reading it again
The mean is usually the best measure of central tendency to use when your data distribution is continuous and symmetrical, such as when your data is normally distributed. However, it all depends on what you are trying to show from your data.
The answer is 18 . Because 36 divided by 2 is 18