Statistics

Variables can be classified as qualitative(aka, categorical ) or quantitative(aka, numeric)

Qualitative:- qualitative variables take on values that are names or labels(nominal or ordinal). Example hobby of someone(football, boxe, film, music). ###

• Nominal:- observation can be taken that is not able to organized in logical sequence. Examples of this variable include sex, eye color, hobby
• Ordinal:- observations can take a value that can be logically ordered or grouped. Example grade, clothing size and attitude.

Quantitative:- quantitative variables are numeric(interval or ration). They represent a measurable quantity. Example people in stadium, we are talking about the number of people in the stadium. It can be further classified as discrete or continuous. If a variable can take on any value between its minimum and maximum value, it is called continuous variable. Other wise, it is called discrete.