Define statistics and give an example of three types of variables that researchers study using statistics?

Statistics is “a branch of mathmatics dealing with the collection, alaysis, interpretation, presentation, and organization of data.” And the types of variables that reseachers study using statistics is quanitative (or categorical, something that describes a variable/subject), qualitative (its a number, something you can take an average of) and confounding variables, or something that can have a hidden effect on experimental results. There are more than three variables through.

6, 4, 5, 1 are true. the others are false.

The answer to that would be prussia which would later be germany