In a written argument, what do facts and statistics usually represent?

As stated before, numbers are powerful. This is one of the reasons why statistics can be such persuasive pieces of evidence. However, this same power can also make numbers and statistics intimidating. That is, we too often accept them as gospel, without ever questioning their veracity or appropriateness.

for me, balancing all your work/homework is the hardest part in high school and the exams.

just say it's your friend did it and you had no idea?