Statistics summary

Statistics summary

, Measurement Levels
Nominal = Giving names number (eg. Female = 0, Male = 1)
Ordinal = ranking (eg. hotel stars, or first second class)
Interval = Same distance between numbers (eg. days, temperature)
Ratio = same distance between numbers, but always has to start at 0. (eg. Weight, height etc)



→ Statistical Mode Median Mean (average) Std. Dev.
(Used the most) (number in the (variation around
techniques middle) the mean)

Nominal x

Ordinal x x

Interval x x x x

Ratio x x x x



→ Statistical T-Test ( Regression Cross chi-square Correlation
techniques tabulation test

Nominal x x

Ordinal x x

Interval x x x

Ratio x x x