Levels Of Measurement

Question 1

Nominal data

Answer 1

Used when data is put into categories e.g number of people who smoke,drink,girls ,boys

May use tally charts

Question 2

Ordinal data

Answer 2

Used to represent when scores can be arranged in order e.g ranking of score (highest score was 19 out of 20-rank 1)

Question 3

Interval data

Answer 3

Provides the most sensitive and sophisticated level of measurement e.g centimetres,timings