Everybody asks about statistics. A doctor want's to know about Statistics,  an engineer want's to know about Statistics, a Social  Scientist want's to know about Statistics and  environmental scientist wants to know about Statistics. So what are we actually doing when we are doing Statistics?
1) Statistics means numbers. So talking of statistics means talking of numbers.
2) Statistics also means various statistical methodologies.
3) So we can do statistics implying apply various statistical methodologies.
4) We can also collect statistics implying collect numbers/data related to the objective of study.