what are the two major classifications of variables in statistics?

Question

please don't make the answer too long.

Answer 1

Quantitative and qualitative

Answer 2

discrete and continuous

discrete is where there are definite boundaries in the categorizations used (like eye colour is either blue or brown or ... without anything in between)

continuous is where you have to define cut off areas such as height intervals because people can be at any point of a range of heights for example

Answer 3

Dependent and independent variables.