Levels of measurement

Question 1

What is nominal data?

Answer 1

Data in separate categeories, such as grouping people in your class according to their height- one gorup might be tall and the other small

Question 2

What is ordinal data>

Answer 2

Data is ordered in some way, for ecample each person in your class lines up in order of size. The “difference” between each person is not necessarily the same

Question 3

What is interval data?

Answer 3

Data is measured using units of equal intervals, such as measuring everyon’e height in centimetres