Biology undergraduates generally treat statistics like bubonic plague. But you will be surprised to learn how familiar statistics are to us. Without mental statistics we would not know when to leave our house in the morning and how much money we need for a night out. They do not possess sharp fangs, though they may indeed penetrate your nightmares in your third year. There is no pressure on anyone visiting it, and you can visit time and again to soak up the life enriching wisdom found hereafter.
Statistics are mathematical methods of interrogating data.
As such you must know the questions you wish to ask before you collect your subjects and instruments of torture. If not, the questions may be irrelevant to your victim or your instruments may not be sharp enough to extract the required response. If you already have your data and are searching this web page to find out what to do with it, you are using statistics in the wrong way. That said, you may be able to redeem your efforts by following the instructions on this web site. Ensure for your own sake that you get it right in future.